Category Archives: USPTO

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 , , , , , , , , , ,

Attorney General’s Office May Weigh In on Constitutionality of IPRs involving Pre-AIA Patents

By Tom Engellenner The 2011 America Invents Act (AIA) provided a variety of new ways to administratively challenge patents, including the now widely used inter partes review (“IPR”) procedure.  In two recent appeals of IPR decisions, Genentech has challenged the … Continue reading

Posted in Appeals, Attorney General, Constitutionality, Court of Appeals Fed Circuit, Federal Circuit, Fifth Amendment, Final PTAB Decision, Supreme Court, Takings Clause, USPTO | Tagged , , , , , , , , , , , , ,

CAFC Affirms PTAB’s Decision That Printed Matter Doctrine Can Be Used In Claim Construction

By Reza Mollaaghababa In an inter partes review proceeding, a challenger cannot raise patent-eligibility as a ground of invalidity.  Rather, the invalidity grounds are limited to lack of novelty and obviousness.  Notwithstanding, in construing claim terms, the PTAB can decide … Continue reading

Posted in America Invents Act, Anticipation/Obvious, Appeals, Claim Construction, Court of Appeals Fed Circuit, Federal Circuit, Mental Steps Doctrine, Patent Eligible Subject Matter, Printed Matter Doctrine, 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 , , , , , , , , , , , ,