Tag Archives: Written Description

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 … Continue Reading

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 … Continue Reading

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 … Continue Reading

PTAB Institutes Third Biotech/Pharma Post-Grant Review

To date, only 43 petitions for Post-Grant Review have been filed with the PTAB.  Nine PGR petitions (21% of total petitions) have been filed to challenge patents arising from Art Unit 1600, which examines applications directed to biotechnology and organic chemistry subject matter.  The PTAB recently instituted the third ever PGR for a biotech-related patent … Continue Reading

Post-Filing Claim Amendments Don’t Change the Effective Filing Date for Post Grant Review

In considering a novel issue of Post-Grant Review (PGR) eligibility, the Patent Trial and Appeal Board followed the straightforward language of the America Invents Act (“AIA”), and longstanding precedent, holding that post-filing amendments to a pre-AIA patent application do not change its effective filing date and, thus, do not make it eligible for PGR.  David … Continue Reading

No Written Description, No Problem when Prosecution History Disclaimer is Applied

The Patent and Trial Appeal Board invoked the doctrine of prosecution history disclaimer to construe the claims at issue narrowly for the inter partes review of U.S. Patent No. 5,884,033; and thus, concluding that the claims had not been shown to be unpatentable in light of prior art. The Board rejected the Petitioner’s additional arguments … Continue Reading

The Three-Front Assault: PeroxyChem Uses IPR, PGR and District Court to Challenge Opponent

In what could become a common patent challenge strategy, PeroxyChem, a chemical company that sells products useful in water and soil remediation, has employed a three-front assault—combining the relatively young post-grant review procedure, with an IPR and litigation–to take on one of its competitors, Innovative Environmental Technologies (IET).  Litigation together with an IPR has become … Continue Reading

Squeezing the ‘Antibody Exception’ to Written Description into a Corner

The PTAB has continued the trend of pushing the -“antibody exception” to written description into an ever-smaller corner. Claims to methods of using antibodies that bind Siglec-15 to impair osteoclast differentiation and inhibit bone resorption were deprived of priority because the parent application failed to disclose the “antigenic regions useful for generating antibodies having the … Continue Reading

Federal Circuit Confirms PTAB Can Cite Prior Art in IPR Final Decision That Was Not In Grounds Of Institution

In a recent appeal from a PTAB final written decision, the Federal Circuit determined that a patentee was not denied notice or an opportunity to respond to references cited in the final written decision as representing the state of the art,  but that were not the basis for a grounds for institution.  (Genzyme Therapeutic Prods. … Continue Reading

Petitioners Are Not Faring Well on 112-challenges in CBM Review

The transitional program for covered business method (CBM) patents is a review proceeding administered by the Patent Trial and Appeal Board to reconsider the patentability of one or more claims in a CBM patent. Petitioners seeking CBM review have enjoyed good success in knocking out claims for reciting subject matter ineligible for a patent. They … Continue Reading
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