Category Archives: Post Grant Review

PTAB Abandons its Practice of Broadly Interpreting Claims of Challenged Patents in favor of Phillips Standard of “Ordinary and Customary Meaning”

By Tom Engellenner In a final rule published in the Federal Register on October 11, 2018, the U.S. Patent and Trademark Office (USPTO) took a remarkable step of acknowledging unfairness in the way its Patent Trial and Appeal Board (PTAB) … Continue reading

Posted in BRI Standard, Broadest Reasonable Interpretation, Claim Construction, Covered Business Methods, Inter Partes Review, Phillips standard, Post Grant Review, Trial Tactics, USPTO | Tagged , , , , , , , , , ,

Once The Federal Circuit Affirms A PTAB Finding Of Invalidity, Collateral Estoppel Prevents Patent Owner From Asserting The Claims In Any Further Proceeding

By Reza Mollaaghababa On May 23, 2018, in XY, LLC v. Trans Ova Genetics, L.C., CAFC held that its affirmance of PTAB’s invalidity decision regarding certain claims of a patent owned by XY in a separate appeal involving a different … Continue reading

Posted in Anticipation/Obvious, Court of Appeals Fed Circuit, Covered Business Methods, Federal Circuit, Final PTAB Decision, Inter Partes Review, Post Grant Review, USPTO | Tagged , , , ,

USPTO Proposes Change In Claim Construction Standard For Post-Grant Proceedings

By Reza Mollaaghababa On May 9, 2018, U.S. Patent and Trademark Office (PTO) issued a notice of proposed rule for changing the standard for construing claims in unexpired patents in inter partes review (IPR), post-grant review (PGR), and transitional covered … Continue reading

Posted in BRI Standard, Broadest Reasonable Interpretation, Claim Construction, Covered Business Methods, Inter Partes Review, Post Grant Review, PTAB Procedure, USPTO | Tagged , , , , , , , , , , , ,

SAS Institute Decision Causes Turmoil At The PTAB

By Tom Engellenner The U.S. Supreme Court’s decision this week in SAS Institute v. Iancu has upended a major provision of the U.S. Patent and Trademark Office (PTO) regulations for inter partes and post grant review proceedings conducted by its … Continue reading

Posted in America Invents Act, Appeals, Court of Appeals Fed Circuit, Federal Circuit, Final PTAB Decision, Instittion Decision, Inter Partes Review, Post Grant Review, PTAB Procedure, Stays, Supreme Court, Trial Tactics, USPTO | Tagged , , , , , , , , , ,

CAFC Affirms PTAB’s Decision To Invalidate Cialis and Adcirca Patents

By Reza Mollaaghababa In a recent decision, the Court of Appeals for the Federal Circuit (CAFC) affirmed decisions in two inter-partes review (IPR) proceedings that patents owned by ICOS Corporation directed to tadalafil formulations (used in the erectile dysfunction drug, … Continue reading

Posted in Anticipation/Obvious, Court of Appeals Fed Circuit, Federal Circuit, Inter Partes Review, Post Grant Review, PTAB Procedure, Trial Tactics, USPTO | Tagged , , , , , , , ,