Skip to main content

Federal Circuit Holds Patent Owners Bear IPR Estoppel Burden of Proof

The Federal Circuit recently held, for the first time, that patent owners bear the burden of proof for an Inter Partes Review (“IPR”) Estoppel affirmative defense that an alleged infringer failed to include prior art in a previous IPR. In overturning the district court, the Federal Circuit held that a patent owner must prove, by […]

| 4 min read | Tagged: , , ,
ZS

Supreme Court Determines New Limitations to Assignor Estoppel Doctrine

By Marsha Cotton and David G. Barker The Supreme Court upheld assignor estoppel in Minerva Surgical, Inc. v. Hologic, Inc., et al. but held that the Federal Circuit “failed to recognize the doctrine’s proper limits.” In doing so, the Court imposed new limitations on when the equitable doctrine applies in a patent case. The Court […]

| 3 min read | Tagged: , ,
MC
Associate

Supreme Court Holds that PTAB Judges Are Unconstitutionally Appointed

By Daniel M. Staren and David G. Barker The Supreme Court held this week that the United States Patent and Trademark Office’s (“USPTO”) appointment of Patent Trial and Appeal Board (“PTAB”) judges cannot be constitutionally enforced because the USPTO director does not have authority to review final PTAB decisions. Smith & Nephew, Inc. and ArthroCare […]

| 2 min read | Tagged: , ,

Supreme Court Grants Certiorari to Resolve Long-Running Debate on Assignor Estoppel

By: David G. Barker and Emily R. Parker Last Friday, the U.S. Supreme Court granted certiorari in Minerva Surgical v. Hologic, thereby agreeing to resolve a long-running debate on patent law’s doctrine of assignor estoppel. Minerva Surgical has asked the Court to abolish the doctrine, which bars inventors who sell their patent rights from challenging […]

| 3 min read | Tagged: , ,
EP

IPRs Terminated by PTAB After Petitioner Failed to Name Client as RPI

By Anne Bolamperti and David G. Barker In RPX Corp. v. Applications in Internet Time LLC, the Patent Trial and Appeal Board (“PTAB”) held in a precedential opinion that three inter partes reviews (“IPRs”) were time-barred under 35 U.S.C. § 315(b) because the petitioner, RPX Corp. (“RPX”), failed to name its client Salesforce.com (“Salesforce”) as a real party in […]

| 3 min read | Tagged: , ,
AB
Former Associate

Supreme Court Grants Certiorari to Decide if PTAB Judges Are Constitutional

By Alysha Gilbert and David G. Barker Are PTAB judges constitutional? This week the Supreme Court granted certiorari to answer this question. In Arthrex v. Smith & Nephew, the Federal Circuit considered whether the appointment of administrative patent judges violates the Appointments Clause of the Constitution. The Appointments Clause requires the president to appoint principal officers, […]

| 2 min read | Tagged: , ,
AG
Former Associate

Supreme Court Holds PTAB Decisions on IPR Time Limit Nonappealable

By Anne Bolamperti and David G. Barker Yesterday, in Thryv, Inc. v. Click-To-Call Technologies LP, the Supreme Court held that Patent Trial and Appeal Board (“PTAB”) decisions regarding the time limit for filing inter partes reviews (“IPRs”) are not subject to judicial review. Thryv filed an IPR against Click-To-Call’s patent for anonymous telephone call technology. Click-to-Call argued the […]

| 2 min read | Tagged: , , ,
AB
Former Associate

Supreme Court to Decide Multiple IP Issues This Term

 By Taryn J. Gallup and David G. Barker On October 26, 2018, the Supreme Court of the United States (“SCOTUS”) granted certiorari in two IP cases.  In Mission Product Holdings, Inc. v. Tempnology, LLC, SCOTUS will address a circuit split on the effect bankruptcy has on trademark license rights.  In Return Mail, Inc. v. U.S. […]

| 2 min read | Tagged: , , , , ,

Supreme Court Uproots Current PTAB Practice by Quashing Partial Decisions

By Trisha Farmer Lau and David G. Barker On April 24, 2018, in SAS Institute, Inc. v. Iancu, the Supreme Court held that the Patent Trial and Appeal Board (“PTAB”) must decide the validity of every patent claim challenged when it undertakes inter partes review under the America Invents Act (“AIA”).  In a 5-4 decision, […]

| 2 min read | Tagged: , , , ,
TL
Former Associate

Supreme Court Confirms Inter Partes Review Is Constitutional

By Jacob C. Jones and David G. Barker In Oil States Energy Services, LLC v. Greene’s Energy Group, LLC, the United States Supreme Court held today, in a 7-2 decision, that the inter partes review process under the America Invents Act (AIA), 35 U.S.C. § 100 et seq. (2011), does not violate Article III or […]

| 3 min read | Tagged: , , , , , ,