Estoppel Doctrine in China's Patent System
Ordered To Agree: Binding Settlement Agreement Provision Found Despite Absence of Singular, Executed Agreement - In Plasmacam, Inc. v. Cncelectronics, LLC Appeal No. 21-1689, the Federal Circuit held that an agreement on...more
The US Court of Appeals for the Federal Circuit issued an errata to its opinion in California Institute of Technology v. Broadcom Limited, clarifying that inter partes review (IPR) estoppel under 35 USC § 315(e) does not...more
The US Court of Appeals for the Federal Circuit found that the Patent Trial & Appeal Board (Board) did not err in finding that a petitioner was estopped from maintaining a third inter partes review (IPR) of a patent claim...more
Addressing inter partes review (IPR) estoppel after the Supreme Court of the United States’ 2018 decision in SAS Institute, Inc. v. Iancu, the US Court of Appeals for the Federal Circuit overruled its decision in Shaw...more
[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more
The Federal Circuit issued numerous precedential opinions last week, two of which answered long simmering questions about inter partes reviews (IPRs). Below we discuss a case addressing whether admissions of prior art in the...more
[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...more
Mere Potential for Future Appeal Does Not Prevent Triggering Estoppel of Inter Partes Reexamination When Party Fails to Seek Relief in the First Instance - In Virnetx Inc. v. Apple Inc., Appeal Nos. 2017-1591, -1592,...more
In the latest round of the Apple/VirnetX saga, the US Court of Appeals for the Federal Circuit held to its precedents in determining when 35 USC § 317(b) estoppel is triggered against inter partes re-examinations. VirnetX...more
The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more
In 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more
At this point, several cases have examined the appealability of the Board’s institution decisions in inter partes review (“IPR”) proceedings. See, e.g., Cuozzo Speed Techs., LLC v. Lee, 136 S. Ct. 2131, 2142 (2015) (holding...more
Core Wireless v. LG affirms the denial of summary judgment as to unpatentable subject matter, ruling that the asserted claims are directed to an improved user interface for computing devices, not to the abstract idea of an...more
Inter Partes Reexamination Estoppel Attaches On Claim-by-Claim Basis for New Requests and Pending Proceedings - In In re Affinity Labs Of Texas, LLC, Appeal Nos. 2016-1092, 2016-1172, the Federal Circuit held that the...more
On June 21, Senators Chris Coons (D-Del), Tom Cotton (R-Ark), Dick Durbin (D-Ill), and Mazie Hironoa (D-Hawaii) introduced the “Support Technology & Research for Our Nation’s Growth and Economic Resilience Patents Act of...more
Our report includes discussions of six of the precedential cases decided in the past week and will include the other three cases in next week’s report. In Aylus v. Apple, the panel finds prosecution disclaimer in a...more
Withdrawal of Claims During Prosecution Can Trigger Prosecution History Estoppel In UCB, Inc. v. Yeda Research and Development Co., Ltd., Appeal No. 2015-1957, the Federal Circuit held that prosecution estoppel can apply even...more
Federal Circuit Upholds Broad Scope of CBM Review and Explains that an Internet Reference Must be Indexed by a Search Engine to Qualify as a Prior Art Publication - In Blue Calypso, LLC v. Groupon, Inc., Appeal Nos....more