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United States Court of Appeals for the Federal Circuit
04-1273, -1274
INVITROGEN CORPORATION,
Plaintiff-Appellant,
v.
BIOCREST MANUFACTURING, L.P.,
STRATAGENE HOLDING CORP., and STRATAGENE, INC.,
Defendants-Cross Appellants.
Francis M. Wikstrom, Parsons Behle & Latimer, of Salt Lake City, Utah, argued
for plaintiff-appellant. With him on the brief were C. Kevin Speirs and Kristine Edde
Johnson. Of counsel on the brief was Alan W. Hammond, Invitrogen Corporation, of
Carlsbad, California.
Marc R. Labgold, Patton Boggs LLP, of McLean, Virginia, argued for defendants-
cross appellants. With him on the brief were Scott A.M. Chambers and Kevin M. Bell;
and Richard J. Oparil, of Washington, DC.
Appealed from: United States District Court for the Western District of Texas
Judge Sam Sparks
United States Court of Appeals for the Federal Circuit
04-1273,-1274
INVITROGEN CORPORATION,
Plaintiff-Appellant,
v.
BIOCREST MANUFACTURING, L.P.,
STRATAGENE HOLDING CORP., and STRATAGENE, INC.,
Defendants-Cross Appellants.
___________________________
DECIDED: October 5, 2005
___________________________
Before RADER, DYK, and PROST, Circuit Judges.
RADER, Circuit Judge.
On remand from this court, the United States District Court for the Western
District of Texas, on summary judgment, determined that Biocrest Manufacturing, L.P.,
Stratagene Holding Corporation, and Stratagene, Inc. (collectively Stratagene) infringed
Invitrogen Corporationâs (Invitrogenâs) U.S. Patent No. 4,981,797 (issued Jan. 1, 1991)
(the â797 patent), and that the â797 patent was not invalid for indefiniteness, although it
was invalid because of public use under 35 U.S.C. § 102(b). Invitrogen Corp. v.
Biocrest Mfg., No. A-01-CA-167-SS (W.D. Tex. Feb. 12, 2004) (Invitrogen II). Although
not specifically enumerating all of the counterclaims on which judgment was obviated
due to its holding on invalidity, the trial court rendered final judgment sufficient to give
this court jurisdiction under 28 U.S.C. § 1295(a)(1) (2000). See Pandrol v. Airboss, 320
F.3d 1354, 1362-63 (Fed. Cir. 2003) (âWhat essentially is required is some clear and
unequivocal manifestation by the trial court of its belief that the decision made, so far as
it is concerned, is the end of the case.â). This court affirms the trial courtâs decisions on
infringement and on non-invalidity due to indefiniteness. Because the district court
relied on an incorrect understanding of public use, this court reverses the trial courtâs
judgment of invalidity on that ground and remands.
I.
The â797 patent involves the introduction of recombinant DNA molecules into
receptive E. coli cells to improve the cellsâ âcompetence,â i.e., their ability to take up and
establish exogenous DNA and replicate this DNA as they multiply. See â797 patent, col.
1, ll. 11-13. A cell that accepts alien DNA is called a transformable cell.
Claim 1 of the â797 patent claims:
A process for producing transformable E. coli cells of improved
competence by a process comprising the following steps in order:
(a) growing E. coli in a growth-conductive medium at a temperature of
18°C to 32°C;
(b) rendering said E. coli cells competent; and
(c) freezing the cells.
â797 patent, col. 10, ll. 27-32 (emphasis added). Stratagene makes thirty-four
competent E. coli cell lines by a process âincluding the steps of incubating cells at 37°C,
growing the cells in a fermenter at 26°C, and freezing the cells.â
Invitrogen sued Stratagene for infringement on March 12, 2001. The district
court construed the claims and then granted Stratageneâs summary judgment motion of
non-infringement. Invitrogen appealed to this court, disputing the lower courtâs
04-1273,-1274 2
construction of both âimproved competenceâ in the preamble and âgrowingâ in step (a).
This court decided that the trial court had correctly construed the term âimproved
competence.â Invitrogen Corp. v. Biocrest Mfg., 327 F.3d 1364, 1370 (Fed. Cir. 2003)
(Invitrogen I). This court noted that the term required only a general increase in
competence, as compared with that generally obtained when cells are prepared by
either (1) growing the cells at 37°C, rendering them competent, and freezing them, or
(2) growing the cells at 37°C, rendering them competent, and not freezing them. Id. At
the same time, however, this court decided that the trial court had incorrectly construed
âgrowing.â Id. This court construed that term to permit preparatory steps in advance of
step (a), including growth of E. coli at a temperature outside the range in step (a). Id.
Thus, the trial court received the case on remand.
On remand, the trial court properly applied this courtâs construction of âgrowingâ
by stating that âthe temperature of the medium in which the E. coli cells are grownâ
before step (a) âdoes not matter.â The district court then found literal infringement of
claims 1, 2, 4, 5, 7, 8, 11, 14, and 15 of the â797 patent; decided that Claim 1 was not
indefinite under 35 U.S.C. § 112, ¶ 2; and found the claims invalid under the public use
provision of 35 U.S.C. § 102(b). The court dismissed all other motions as moot. See
Invitrogen II.
II.
This court reviews a grant of summary judgment de novo, determining whether
the evidence in the record raises any genuine dispute about material facts. In this
review, all reasonable factual inferences are drawn in favor of the non-moving party.
See In re Cruciferous Sprout Litig., 301 F.3d 1343, 1346 (Fed. Cir. 2002), cert. denied,
04-1273,-1274 3
538 U.S. 907 (2003). Whether a patent is invalid due to public use under § 102(b) is a
question of law based on underlying questions of fact. Netscape Communications
Corp. v. Konrad, 295 F.3d 1315, 1321 (Fed. Cir. 2002). A patent is presumed valid. 35
U.S.C. § 282 (2000). Overcoming the presumption requires a showing of facts proved
by clear and convincing evidence. Connell v. Sears Roebuck & Co., 722 F.2d 1542,
1549 (Fed. Cir. 1983). That standard of proof also applies in the summary judgment
context. Natâl Presto Indus., Inc. v. W. Bend Co., 76 F.3d 1185, 1189 (Fed. Cir. 1996).
Overall, this court makes an independent determination, applying the standards for
summary judgment. Group One, Ltd. v. Hallmark Cards, Inc., 254 F.3d 1041, 1045
(Fed. Cir. 2001).
The Federal Circuit applies its own law with respect to issues of substantive
patent law and certain procedural issues pertaining to patent law, but applies the law of
the regional circuits on non-patent issues. Institut Pasteur v. Cambridge Biotech Corp.,
186 F.3d 1356, 1368 (Fed. Cir. 1999). Therefore, this court reviews the district courtâs
evidentiary rulings under the law of the United States Court of Appeals for the Fifth
Circuit for an abuse of discretion. Snap-Drape, Inc. v. Comm'r of Internal Revenue, 98
F.3d 194, 197 (5th Cir. 1996).
The parties do not dispute that Invitrogen used the claimed process before the
critical date, in its own laboratories, to produce competent cells. Invitrogen did not sell
the claimed process or any products made with it. The record also shows that
Invitrogen kept its use of the claimed process confidential. The process was known
only within the company. Stratagene does not dispute that the claimed process was
maintained as a secret within Invitrogen until some time after the critical date.
04-1273,-1274 4
35 U.S.C. § 102(b) states that a person shall be entitled to a patent unless âthe
invention was . . . in public use or on sale in this country, more than one year prior to the
date of the application for patent in the United States.â 35 U.S.C. § 102(b) (2000)
(emphasis added). In Pfaff v. Wells, the Supreme Court considered the meaning of the
phrase âthe inventionâ in § 102(b). Pfaff v. Wells Elecs., Inc., 525 U.S. 55, 60 (1998).
The Court explained that analysis under § 102(b) involves two separate inquiries, one
evaluating whether âthe inventionâ was complete and ready for patenting, and the other
evaluating whether that invention was âon sale.â Id. at 66-67. In that context, the Court
found no role for this courtâs âtotality of the circumstancesâ test, which directed a court to
consider the circumstances surrounding the alleged offer for sale together with the
circumstances surrounding the stage of development of the invention that may have
been prematurely exploited in the market. See id. at 66, n.11. In place of that âtotality
of the circumstancesâ test, the Court formulated the now-familiar test that evaluates
both whether the product was subject to a commercial offer for sale (i.e., was it âon
saleâ) and whether the invention was âready for patentingâ (i.e., was there an âinventionâ
at the time of the sale). See id. at 67. Following the Courtâs guidance in Pfaff, this court
rejected the totality of the circumstances test in the context of statutory bar disputes.
See EZ Dock v. Schafer Sys., Inc., 276 F.3d 1347, 1351 (Fed. Cir. 2002) (â[T]his court
now âfollows the Supreme Courtâs two-part test without balancing various policies
according to the totality of the circumstances.ââ) (quoting Weatherchem Corp. v. J.L.
Clark, Inc., 163 F.3d 1326, 1333 (Fed. Cir. 1998)).
In Pfaff, the Court specifically considered the âon saleâ portion of the § 102(b)
statutory bar language, but in so doing, the Court noted that both the âon saleâ and
04-1273,-1274 5
âpublic useâ bars were based on the same policy considerations. Id. at 64. The Court
noted that both the on sale and public use bars of § 102 stem from the same
âreluctance to allow an inventor to remove existing knowledge from public use.â Id. In
Pfaff, the Court applied the separate components of its test to facts raising the âon saleâ
issue. Nonetheless, the Courtâs analysis of the statutory term âinvention,â or the ready
for patenting prong, applies to both of the other parts of section 102(b), âon saleâ and
âpublic use.â Thus, the Supreme Courtâs âready for patenting testâ applies to the public
use bar under § 102(b). A bar under § 102(b) arises where, before the critical date, the
invention is in public use and ready for patenting. This court notes that in applying the
Pfaff two-part test in the context of a public use bar, evidence of experimental use may
negate either the âready for patentingâ or âpublic useâ prong. See EZ Dock, 276 F.3d at
1352 (recognizing an overlap of the experimental use negation and the ready for
patenting standard).
This courtâs decisions in Netscape Communications Corp. v. Konrad, 295 F.3d
1315 (Fed. Cir. 2002), and Bernhardt, L.L.C. v. Collezione Europa USA, Inc., 386 F.3d
1371 (Fed. Cir. 2004), do not compel a different analysis. In Netscape, this court
considered a possible public use and formulated its inquiry as a âlook to the totality of
the circumstances when evaluating whether there has been a public use within the
meaning of section 102(b).â Netscape, 295 F.3d at 1320 (citing Sinskey v. Pharmacia
Ophthalmics Inc., 982 F.2d 494, 498 (Fed. Cir. 1992), a pre-Pfaff opinion). Likewise, in
Bernhardt, this court stated, â[i]n determing whether an invention was in public use, a
court âmust consider how the totality of the circumstances comports with the policies
underlying the on sale and public use bars.ââ Bernhardt, 386 F.3d at 1379 (quoting
04-1273,-1274 6
Manville Sales Corp. v. Paramount Sys., Inc., 917 F.2d 544, 549 (Fed. Cir. 1990) (a pre-
Pfaff opinion)). The language in Netscape and Bernhardt should not be construed to
resurrect a totality of the circumstances test for determining whether an âinvention was .
. . in public use . . . more than one year prior to the dateâ of the patent application. 35
U.S.C. § 102(b) (2000). Such a reading of Netscape and Bernhardt would be
inconsistent with Pfaff and this courtâs cases abandoning such a balancing test. See
Pfaff, 525 U.S. at 66 n.11; EZ Dock, 276 F.3d at 1351; Weatherchem, 163 F.3d at 1333.
The proper test for the public use prong of the § 102(b) statutory bar is whether the
purported use: (1) was accessible to the public; or (2) was commercially exploited.
Commercial exploitation is a clear indication of public use, but it likely requires more
than, for example, a secret offer for sale. Thus, the test for the public use prong
includes the consideration of evidence relevant to experimentation, as well as, inter alia,
the nature of the activity that occurred in public; public access to the use; confidentiality
obligations imposed on members of the public who observed the use; and commercial
exploitation, see Allied Colloids, Inc. v. Am. Cyanamid Co., 64 F.3d 1570, 1574 (Fed.
Cir. 1995). That evidence is relevant to discern whether the use was a public use that
could raise a bar to patentability, but it is distinct from evidence relevant to the ready for
patenting component of Pfaffâs two-part test, another necessary requirement of a public
use bar.
The district court reasoned that Stratagene had used the claimed process in its
own laboratories, more than one year before the â797 application was filed, to âfurther
other projectsâ beyond development of the claimed process and to acquire a
commercial advantage. Stratagene admits that it used the claimed process in its own
04-1273,-1274 7
laboratories before the critical date to grow cells to be used in other projects within the
company. The district court determined that use of the invention in Stratageneâs
general business of widespread research generated commercial benefits. The district
court examined the totality of the circumstances and found that this use was âpublic.â
See Invitrogen II. Stratagene argues, however, that this secret internal use was not
âpublic useâ under the applicable test, because it neither sold nor offered for sale the
claimed process or any product derived from the process, nor did it otherwise place into
the public domain either the process or any product derived from it. Under the proper
test for public use under § 102(b), these facts do not erect a bar.
The basic tenet of U.S. patent law is that an original inventor gains an exclusive
right to the invention. U.S. Const. art. I, § 8, cl. 8. Thus, an inventorâs own work cannot
be used to invalidate patents protecting his own later inventive activities unless, inter
alia, he places it on sale or uses it publicly more than a year before filing. 35 U.S.C.
§ 102(b); see also In re Katz, 687 F.2d 450, 454 (CCPA. 1982); In re Facius, 408 F.2d
1396, 1406 (CCPA 1969) (â[C]ertainly oneâs own invention, whatever the form of
disclosure to the public, may not be prior art against oneself, absent a statutory bar.â).
Section 102(a) denies any applicant for a patent an exclusive right to any invention
already âknown or used by others in this countryâ (emphasis added). On the other
hand, § 102(b) can apply to the inventorâs own actions. Section 102(b) expressly
requires a âpublic useâ in this country for a statutory bar to arise based on use by the
inventor himself. See Pennock v. Dialogue, 27 U.S. 1, 23 (1829) (an applicant must be
the âfirst and trueâ inventor to obtain a patent, but âif he shall put [the invention] into
public use, or sell it for public use before he applies for a patent . . . this should furnish
04-1273,-1274 8
another bar to his claimâ); Katz, 687 F.2d at 454 (âDisclosure to the public of oneâs own
work constitutes a bar to the grant of a patent claiming the subject matter so disclosed
(or subject matter obvious therefrom).â). Further, to qualify as âpublic,â a use must
occur without any âlimitation or restriction, or injunction of secrecy.â Egbert v.
Lippmann, 104 U.S. 333, 336 (1881); In re Smith, 714 F.2d 1127, 1134 (Fed. Cir. 1983).
In some cases, this court has determined that a use before the critical period was
not public even without an express agreement of confidentiality. See, e.g., Moleculon
Research Corp. v. CBS, Inc., 793 F.2d 1261 (Fed. Cir. 1986) (inventorâs private use and
demonstrations to colleagues were not public). For instance, in TP Laboratories, Inc. v.
Professional Publishers, Inc., 724 F.2d 965 (Fed. Cir. 1984), the inventor was a dentist
who installed the inventive orthodontic appliance in several of his patients. Although the
inventor had not obtained any express promise of confidentiality from his patients, this
court did not consider the use âpublicâ because the dentist-patient relationship itself was
tantamount to an express vow of secrecy. Id. at 972. In reaching that result, this court
opined in general that secret use may be public âwithin the meaning of the statute, if the
inventor is making commercial use of the invention under circumstances which preserve
its secrecy.â Id.â This court noted specifically that, under the facts of TP Laboratories, it
â
Kinzenbaw v. Deere & Co., 741 F.2d 383 (Fed. Cir. 1984) is more definite
concerning this dicta in TP Laboratories. Kinzenbaw states that commercial use trumps
secrecy. Id. at 390. (âA commercial use is a public use even if it is kept secret.â)
However, this statement was also dicta in Kinzenbaw, because the court did not find it
necessary to resolve the question of whether the use of the invention was secret or not.
Id. A careful reading nonetheless shows that Kinzenbaw is consistent with the basic
principle that a confidential use is not public under § 102 (b) unless there is commercial
exploitation. The use in Kinzenbaw was not confidential. In that case, the jury had
good reason to find Deereâs widespread commercial exploitation of the invention
âpublic.â The facts showed that:
04-1273,-1274 9
could find no âcommercial exploitationâ of the invention during the critical period,
identifying âcommercial exploitationâ with sale of the device or a charge for its use of the
invention within the confidential confines of the company to generate commercial
benefits. Id. at 972-73. Thus, TP Laboratories bolsters the general point that an
agreement of confidentiality, or circumstances creating a similar expectation of secrecy,
may negate a âpublic useâ where there is not commercial exploitation.
The classical standard for assessing the public nature of a use was established
in Egbert. In Egbert, the inventor of a corset spring gave two samples of the invention
to a lady friend, who used them for more than two years before the inventor applied for
a patent. Egbert, 104 U.S. at 335. The invention was sewn into a corset and therefore,
by its nature, not visible to the public. Thus, the Court had to decide whether such an
invention could nevertheless be âpublic.â Although he later married the lady friend, the
inventor in Egbert received no commercial advantage. Nonetheless, on these facts, the
Court established the principle that it was indeed âpublicâ use to give or sell the
Deereâs sales branch, acting through local independent dealers, made the
invention available to farmers (called âcustomersâ in Deere's internal
memoranda) for commercial use. Deere instructed the dealers to keep the
units moving: âIf one customer is not going to be using it for a few days
and another customer could, please move it.â In 1973, the farmers used
the planters for 1,000 hours in five states, and in 1974, for 500 hours in 11
states. By the end of 1974, 40,000 acres had been planted with the
machines. . . . [T]hree years after it began using the invention, Deere filed
the application for its patent.
Id. at 389-90. No wonder this court sustained a finding that Deereâs wide-spread
activities were âprimarily for commercializing the apparatusâ and therefore public. Id.
04-1273,-1274 10
invention âto another, to be used by the donee or vendee, without limitation or
restriction, or injunction of secrecy.â Id. at 336.
As the Supreme Court pointed out in Pfaff, supra, secrecy of use alone is not
sufficient to show that existing knowledge has not been withdrawn from public use:
commercial exploitation is also forbidden. Invitrogenâs invention was not given or sold
âto another,â or used to create a product given or sold to another, and was maintained
under a strict obligation of secrecy. Without more, these circumstances are insufficient
to create a public use bar to patentability.
The Supreme Court decided Electric Storage Battery Co. v. Shimadzu, 307 U.S.
5 (1939), in accord with the basic principle of Egbert. In Electric Storage Battery, an
accused infringer put the invention into âpublicâ use. The accused infringerâs public use
came about because he had independently come upon both the method and the
apparatus of the patents, and âcontinuously employed the alleged infringing machine
and process for the production of lead oxide powder used in the manufacture of plates
for storage batteries which have been sold in quantity.â Id. Thus, that case was marked
by an outright commercial use of the invention by someone other than the applicant,
long before the applicantâs filing date. Those facts allowed the Court to invalidate the
patents at issue, and to observe that â[t]he ordinary use of a machine or the practice of
a process in a factory in the usual course of producing articles for commercial purposes
is a public use.â Id. at 20. Invitrogen, on the other hand, did not sell its invention or any
products made with it, and kept the invention entirely confidential within the company,
distinguishing this case from Electric Storage Battery.
04-1273,-1274 11
While there are instances in which a secret or confidential use of an invention will
nonetheless give rise to the public use bar, this is not such a case. In Metallizing
Engineering Co. v. Kenyon Bearing & Auto Parts Co., 153 F.2d 516 (2d Cir. 1946), the
patentee used a secret process to recondition worn metal parts for its customers before
the critical date. The Second Circuit correctly held âthat it is a condition upon an
inventorâs right to a patent that he shall not exploit his discovery competitively after it is
ready for patenting; he must content himself with either secrecy, or [a patent].â Id. at
520. In contrast, there is no evidence that Invitrogen received compensation for
internally, and secretly, exploiting its cells. The fact that Invitrogen secretly used the
cells internally to develop future products that were never sold, without more, is
insufficient to create a public use bar to patentability.
III.
Stratagene argues that it does not infringe the â797 patent because its cells do
not have âimproved competenceâ as required by the patentâs preamble, although it
admits that it practices each and every element of Claim 1, and does so in the claimed
order. To settle this question, the court ordered tests on each of Stratageneâs thirty-four
cell strains, to determine whether they exhibited âimproved competence.â The tests
compared cells grown at 37°C, rendered competent, then frozen, with cells grown at
37°C, rendered competent, but not frozen, and with cells prepared using the claimed
process. Invitrogenâs expert supervised these tests. The tests showed that twenty-
eight strains made using the Stratagene process exhibited enhanced competence, five
exhibited decreased competence, and one exhibited no change.
04-1273,-1274 12
Stratagene argues that those tests, presented in the form of an affidavit from the
Invitrogen expert, are inadmissible. Stratagene contends that the affidavit lacks
credibility because the expert did not conduct the tests personally, and thus does not
have sufficient âpersonal knowledgeâ of the results. To the contrary, the district court
carefully considered the admissibility of this evidence, and concluded that the expert
had obtained sufficient personal knowledge through review of the records of the tests.
This court detects no abuse of discretion in the district courtâs decision to admit that
evidence.
Stratagene also argues that the tests raise a genuine issue of material fact about
the improved competence of Stratageneâs samples, because some of the samples did
not exhibit improved competence. Again, to the contrary, a great majority of
Stratageneâs samples did exhibit improved competence. The claim requires that the
quantity of E. coli cells that take up and establish exogenous DNA to be generally
increased. The tests show that general increase. In addition, Stratageneâs own
inventor had recorded in his notebooks that he found âimproved competenceâ when the
cells of several cell lines were grown within the claimed range. The record contains no
evidence that contradicts the general increase in competence observed in the tests.
Therefore, the trial court properly resolved this issue as well.
IV.
Stratagene also argues that the â797 patent is invalid for indefiniteness, objecting
to the phrase âimproved competence.â A claim is definite if âone skilled in the art would
understand the bounds of the claim when read in light of the specification.â Personalized
Media Communications, LLC v. ITC, 161 F.3d 696, 705 (Fed. Cir. 1998). Claims are
04-1273,-1274 13
indefinite âif reasonable efforts at claim construction prove futile,â that is, if a claim âis
insolubly ambiguous, and no narrowing construction can properly be adopted.â Exxon
Research & Engâg Co. v. United States, 265 F.3d 1371, 1375 (Fed. Cir. 2001). Even if
it is a formidable task to understand a claim, and the result not unanimously accepted,
as long as the boundaries of a claim may be understood it is âsufficiently clear to avoid
invalidity [for] indefiniteness.â Id. at 1375. Because this court construed the phrase
âimproved competenceâ in Invitrogen I such that one skilled in the art would understand
the bounds of the claim, this court detects no unacceptable indefiniteness in that
language in this appeal. The claim is not âinsolubly ambiguous,â i.e., not indefinite.
Stratagene further argues that it would have had to practice the claimed process
in order to determine if it was infringing, even though â[t]he primary purpose of the
definiteness requirement is to ensure that the claims are written in such a way . . . that
interested members of the public . . . can determine whether or not they infringe.â
Oakley, Inc. v. Sunglass Hut Intâl, 316 F.3d 1331, 1340 (Fed. Cir. 2003). Indeed, the
lower court had to have separate side-by-side tests done to determine whether
Stratagene infringed, and other testimony indicates that tests were necessary to
determine infringement. However, Oakley goes on to explain that âa patentee need not
define his invention with mathematical precision in order to comply with the definiteness
requirement.â Id. at 1341. Stratagene is really talking about the difficulty of avoiding
infringement, not indefiniteness of the claim. âThe test for indefiniteness does not
depend on a potential infringerâs ability to ascertain the nature of its own accused
product to determine infringement, but instead on whether the claim delineates to a
skilled artisan the bounds of the invention.â SmithKline Beecham Corp. v. Apotex Corp.,
04-1273,-1274 14
403 F.3d 1331, 1341 (Fed. Cir. 2005). This courtâs and the district courtâs constructions
of the claim showed that it contained no material ambiguities, and therefore was not
invalid for indefiniteness. See All Dental Prodx, LLC v. Advantage Dental Prods., Inc.,
309 F.3d 774, 780 (Fed. Cir. 2002).
V.
Finally, Stratagene asks this court to consider its affirmative defenses of
enablement, anticipation, and obviousness, as alternate grounds for invalidity. Final
judgment by the district court included an order that invalidated the â797 patent based
on public use under § 102(b), and on no other ground. The district court declared moot
the other invalidity claims and made no final judgment on them. Therefore, under 28
U.S.C. § 1295(a)(1) (final judgment rule), this court declines to assert jurisdiction to
consider an appeal on these issues.
This court reverses the trial courtâs judgment of invalidity due to public use,
affirms the trial courtâs partial summary judgment of infringement and denial of
Stratageneâs motion for summary judgment of invalidity due to indefiniteness, and
remands the case for further proceedings.
COSTS
Each party shall bear its own costs.
AFFIRM-IN-PART, REVERSE-IN-PART, and REMAND
04-1273,-1274 15