In Indivior UK Ltd. v. Dr. Reddy’s Laboratories S.A., Appeals 2020-2073, -2142 (Fed. Cir. Nov. 24, 2021), the Federal Circuit affirmed a Patent Trial and Appeal Board’s final decision canceling claims in Indivior’s patent claiming a polymer matrix-containing film. Certain claims in the patent recited an amount of polymer matrix inadequately disclosed, according to the Board, in a predecessor application to which the patent claimed priority. As a result, the claims’ effective filing date was so late that prior art published between the patent’s actual filing date and its earliest claimed priority date rendered the claims unpatentable. Here the prior art was none other than the Patent Office’s publication of one of the claimed priority applications.
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Written Description
Mine Your Patent Application and You Might Find a Licensee
A patent interference is an adversarial proceeding where each party is trying deprive its opponent of a patent on an invention that that the Patent Office has already decided is patentable. Long after the AIA became effective to phase out interferences, the Patent Trial and Appeal Board continues to declare and administer them where at least one of the parties has an interfering application or patent predating the AIA’s enactment. The Board declares interferences to avoid the embarrassment and marketplace chaos where the Patent Office issues two patents on the same invention to different parties, and to avoid awarding a patent monopoly to the entity who was not the first to invent.
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Is the Written Description Requirement a Nose of Wax?
In re Global IP Holdings LLC, Appeal 2018-1426 (Fed. Cir. July 5,2019), concerns patent law’s written description requirement, under 35 USC § 112. The patentee is trying to reissue its patent on a carpeted load floor of a car. The patented floor includes thermoplastic components. The components, according to the patentee, ought not have been limited to thermoplastics, rather each should have been any plastic. So, the patentee sought to reissue the patent with a claim to the broader invention. The Patent Office examiner rejected the revised claim.
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PTAB Issues First Biotech/Pharma PGR Final Written Decision Based On Written Description Challenge
The Patent Trial and Appeal Board has received 37 petitions for post grant review of patents issuing from examination conducted by the Patent Office’s Group Art Unit 1600. The Board has issued four final written decisions thus far. We discussed the first final written decision here, where all claims were upheld in the face of a challenge based on obviousness grounds only. Three of the four final written decisions issued so far on biotech/pharma subject matter dealt only with art-based challenges. Grünenthal GmbH v. Antecip Bioventures II LLC, Case PGR2017-00008 (June 22, 2018) marks the first PGR final written decision addressing written description of a patent arising from Art Unit 1600; all claims were held to be unpatentable under Section 112.
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Federal Circuit Splits Hairs in Hair Removal Product Interference Proceeding
In General Hospital Corp. v. Sienna Biopharmaceuticals, Inc., Case No. 2017-1012 (Fed. Cir. May 4, 2018), the Federal Circuit affirmed the PTAB’s August 2016 decision that General Hospital Corporation’s (GHC) claims involved in an interference proceeding (that GHC requested) failed to meet the written description requirement. But the court also vacated the PTAB’s denial of GHC’s contingent motion to add a new claim as arbitrary and capricious because the PTAB did not follow its own Standing Order. The court therefore remanded the case to the PTAB to decide remaining issues in the interference.
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Written Description of a Genus Can Be Satisfied by Disclosure of Single Species in Predictable Arts
In Hologic, Inc. v. Smith & Nephew Inc., No. 2017-1389 (Fed. Cir. Mar. 14, 2018), the Federal Circuit concluded that disclosure of a species provides written descriptive support for a claimed genus where the invention was in a predicable field of art, the species was a well-known member of the genus, and other members of the genus were also well known. As a result, the court affirmed the PTAB’s decision that Smith & Nephew’s PCT application (the “Emanuel PCT”) had sufficient written description to qualify as a priority document, and therefore was not prior art. In reaching this decision, the court relied heavily on the fact that the field of the invention was a predictable art.
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Board Decision Grants Motion to Amend With Respect to One Substitute
The Board’s recent decision in Veeam Software Corp. v. Veritas Technologies, LLC, Case No. IPR2014-00090 (PTAB July 17, 2017), provides patent practitioners with a framework for analyzing proposed substitute claims. The Board’s decision, granting patent owner’s motion to amend in part, should be considered in conjunction with the Federal Circuit’s decision in Veritas Technologies LLC v. Veeam Software Corp., 835 F.3d 1406 (Fed. Cir. 2016), which vacated the Board’s earlier disposition of the IPR and remanded the case to the Board to reconsider the substitute claims it previously denied. These decisions offer at least a partial framework by which the PTAB may assess motions to amend during inter partes reviews.
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PTAB Correctly Construed “Said” and Canceled Claims—but Was the Patent CBM Eligible?
In a CBM appeal, TransPerfect Global, Inc. v. Matal, No. 2016-1121 (Fed. Cir. July 12, 2017) (non-prec.), the Federal Circuit determined that the PTAB correctly construed the word “said” in the claim term “said hyperlink,” and determined that TransPerfect’s challenged claims were unpatentable for lack of written description. The court’s claim construction analysis is thorough and well supported, but the treatment of the challenged patent as CBM-eligible appears to be inconsistent with Federal Circuit precedent.
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To Establish Entitlement to an Earlier Effective Filing Date, Every Claim Limitation Must be Addressed
The PTAB’s final written decision in Inguran, LLC d/b/a Sexing Techs. v. Premium Genetics (UK) LTD., Case PGR2015-00017, Paper 22 (PTAB 2016), illustrates what a Patent Owner must do to demonstrate that a challenged claim is entitled to an earlier effective filing date in an AIA trial.
The PGR involved U.S. Patent 8,933,395, which issued from an application filed on January 31, 2014, that was a continuation of pre-AIA patent applications filed before March 15, 2013, with the same text as those prior applications. As we explained in our prior post, the PTAB instituted PGR of claims 1-14, despite the patent’s claimed pre-AIA effective filing date. The PTAB found, at that institution phase, that claim 2 of the patent was only entitled to a post-AIA effective filing date and, thus, the entire patent and all of its challenged claims were eligible for PGR. The PTAB instituted review on multiple grounds, including anticipation by each of Mueth, Frontin-Rollet, and Durack.
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PTAB Declines to Institute IPR on Immersion’s Indefinite Means Plus Function Claims
Petitioners are finding themselves caught in a Catch-22. The PTAB declares claims too indefinite under Section 112 to construe, but then declines to address the patentabilty of the claims. Section 112 deficiencies are not grounds to challenge a patent in an IPR, but the PTAB has authority to find such deficiencies.
Recently, the PTAB decided that only some claims of Immersion Corporation’s U.S. Patent No. 8,659,571 were challengeable by Apple Inc. in an IPR because the ‘571 patent failed to disclose sufficient structure corresponding to the “drive module limitation” recited in claim 12 to determine the scope and meaning of claim 12. Apple Inc., v. Immersion Corporation, IPR2016-01372, Paper 7 (January 11, 2017).
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