Celanese International Corporation, Celanese (Malta) Company 2 Limited, and Celanese Sales U.S. Ltd. (collectively, “Celanese”) filed a petition before the United States International Trade Commission (the “ITC”), alleging...more
In Celanese Int’l Corp. v. ITC, the Federal Circuit addressed whether the America Invents Act (“AIA”) changed the on-sale bar such that the sale of a product made using a secret process would no longer invalidate later-sought...more
In Sanho Corp. v. Kaijet Tech. Int’l Ltd., issued July 31, 2024, the U.S. Court of Appeals for the Federal Circuit addressed the Leahy-Smith America Invents Act (“the AIA”) public disclosure exception to prior art, 35 U.S.C....more
In a precedential final written decision, the Patent Trial & Appeal Board concluded that a patent does not need to contain a claim supported by a provisional application’s disclosure to draw priority to that provisional for...more
Section 102 of the Patent Act holds that an invention may not be patented if it was in public use before the effective filing date of the patented invention. The public use bar to patenting is triggered if the invention is...more
Two proposed bills recently introduced in Congress have the potential to greatly impact the current patent litigation landscape. The bills are titled the Patent Eligibility Restoration Act of 2023 and the Promoting and...more
With further apologies to David Letterman - Almost two years ago we published Stupid § 101 Tricks, an article discussing some of the annoying, improper, and yet disappointingly common patterns seen in rejection and...more
The US Court of Appeals for the Federal Circuit found that a prior art patent’s summarization of a report authored by the inventors of a patent challenged under inter partes review (IPR) did not constitute a disclosure “by...more
The US Court of Appeals for the Federal Circuit vacated and remanded a Patent Trial & Appeal Board (Board) decision because it failed to resolve fundamental testimonial conflict relating to inventive contribution and complete...more
As post grant review allows for on sale bar assertions, and thus experimental use defenses, we wanted to highlight a recent case addressing these issues. Sunoco sued Venture and U.S. Oil Co. for infringement of U.S. Patent...more
The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more
The US Court of Appeals for the Federal Circuit reversed and remanded a district court decision regarding experimental use under 35 U.S.C. § 102(b) and the application of enhanced damages based on an allegedly flawed...more
This year, we will mark the 10-year anniversary of the first jury verdict in the landmark IP litigation between Apple and Samsung, which resulted in the jury awarding more than $1B to Apple. More than $500M of that award was...more
Evidence Supports Prior Art’s Public Accessibility but Not the Board’s Adoption of an Unpresented Theory of Anticipation - In M & K Holdings, Inc. v. Samsung Electronics Co.,Ltd., Appeal No. 20-1160, the Federal Circuit...more
The US Court of Appeals for the Federal Circuit found that facilitating browsing of documents on a website was sufficient to support public accessibility of prior art references, but that the Patent Trial and Appeal Board...more
In Uniloc 2017 LLC v. Hulu, LLC, Netflix, Inc. (July 22, 2020), the Federal Circuit held that the Patent Trial and Appeal Board (“the PTAB”) may consider, in its review of substitute claims proposed in an inter partes review...more
In the first half of 2020, several notable decisions further shaped the course of patent law, with rulings from the Supreme Court and Federal Circuit impacting PTAB proceedings, as described below...more
Yesterday we discussed the Federal Circuit’s decision in Uniloc 2017 LLC v. Hulu, LLC confirming the Board’s authority to review contingent substitute claims after the original claims have been held invalid by a federal...more
Last week, in Uniloc 2017 LLC v. Hulu, LLC, the Federal Circuit ruled that the Patent Trial and Appeal Board may consider patent eligibility under 35 U.S.C. § 101 for substitute claims. The appeal raises issues of finality...more
WHAT DO WE KNOW? 1. On July 22, 2020, a sharply split Federal Circuit panel held that “[t]he PTAB correctly concluded that it is not limited by § 311(b) in its review of proposed substitute claims in an IPR, and that it...more
UNILOC 2017 LLC v. HULU, LLC - Before O’Malley, Wallach, and Taranto. O’Malley dissenting. Appeal from the Patent Trial and Appeal Board. Summary: The Board did not exceed its statutory authority in an inter partes...more
Arguably, no other provision of the America Invents Act (AIA) is more important than 35 U.S.C. § 102. It defines what activities preclude patentability and what documents are available as prior art. Applications having an...more
Introduction - Packet Intelligence sued NetScout in the Eastern District of Texas, alleging infringement of U.S. Patent Nos. 6,665,725, 6,839,751, and 6,954,789. The District Court ruled that all three patents were valid...more
MAYBORN GROUP, LTD., MAYBORN USA, INC. v. INTERNATIONAL TRADE COMMISISION - Before Lourie, Linn, and Wallach. Appeal from the U.S. International Trade Commission. Summary: An invalidity challenge, raised after the...more
Secret Third-Party Processes May Not Trigger Pre-AIA § 102 Public Knowledge or Use Bars - In Basf Corporation v. SNF Holding Company, Appeal No. 19-1243, the Federal Circuit ruled that a third party’s sale of products...more