PTABWatch Blog

PTABWatch, provided by Marshall, Gerstein & Borun LLP, analyzes and reports recent developments concerning Post-Grant Proceedings at the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO), including Inter Partes Review (IPR), Post Grant Review (PGR), and Covered Business Method (CBM) proceedings.

Recent Blog Posts

  • PTAB Cancels Gattax® Patent Claims in Coalition for Affordable Drugs IPRs In two final written decisions (IPR2015-01093 and IPR2015-00990), the PTAB found that challenged claims in Shire’s U.S. Patent No. 7,056,886 (the ’886 patent) were invalid as obvious.  The decisions highlight potential issues related to patents directed to pharmaceutical formulations that petitioners and patent owners alike may want to consider if confronted with an IPR related to such subject matter. The Coalition for Affordable Drugs filed two petitions for IPR, one challenging claims 1−45 of U.S. Patent No. 7,056,886 (IPR2015-01093) and one... More
  • Establishing Written Description Support May Require Supporting Evidence, More Than Attorney Argument The PTAB’s final written decision in Butamax Advanced Biofuels LLC v. Gevo, Inc. Case IPR2013-00539, Paper 33 (P.T.A.B. 2015), illustrates the importance of providing more than attorney argument to show that claims have written description support in a provisional application.  Butamax filed a petition for IPR of claims 1-19 of U.S. Patent No. 8,273,565 owned by Gevo, Inc.  The ’565 patent, directed to recombinant yeast microorganisms with increased activity of dihydroxy acid dehydratase, issued from an application that claimed priority to... More