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Stages of Patent Invalidation Proceedings
In a recent decision, the PTAB determined that images of products offered for sale via online retailers, such as Amazon, did not alone qualify as printed publications—even if the images showed the product and the date it was...more
Parkervision, Inc. v. Qualcomm Inc., Appeal Nos. 2022-1755, 2024-2221 (Fed. Cir. Sept. 6, 2024) In this week’s Case of the Week, the Federal Circuit weighed in again on a 13-year-old patent dispute concerning Qualcomm’s...more
The recent case involving United Therapeutics' patent on Tyvaso and Liquidia's Yutrepia sheds light on the complexities of patent law. The Federal Circuit's initial infringement finding, followed by the Patent Trial and...more
In Pfizer Inc., v. Sanofi Pasteur Inc., SK Chems Co. Ltd., v. Vidal, 2019-1871 (March 5, 2024), the Federal Circuit affirmed the Board’s conclusions that claims 1–45 of U.S. Patent No. 9,492,559 were unpatentable due to...more
The Federal Circuit dismissed an appeal of a final written decision in an IPR based on issue preclusion where a district court had dismissed a complaint finding the patent claims subject-matter ineligible. The patentee had...more
Allergan USA, Inc. v. MSN Laboratories Private Ltd., Appeal No. 2024-1061 (Fed. Cir. August 13, 2024) In this week’s Case of the Week, the Federal Circuit clarifies rules relating to when an applicant’s patent can be...more
Mobile Acuity Ltd. v. Blippar Ltd., Appeal No. 2022-2216 (Fed. Cir. Aug. 6, 2024) In its only precedential patent opinion last week, the Federal Circuit confirmed the invalidity of all claims of two asserted patents as...more
In In re Cellect, 81 F.4th 1216 (Fed. Cir. 2023), the US Court of Appeals for the Federal Circuit held that a later-expiring patent can be invalid for obviousness-type double patenting (ODP) in view of an earlier-expiring,...more
Precedential and Key Federal Circuit Opinions - LKQ CORPORATION v. GM GLOBAL TECHNOLOGY OPERATIONS LLC [OPINION] (2021-2348, 5/21/24) Moore, Lourie, Dyk, Prost, Reyna, Taranto, Chen, Hughes, Stoll, and Stark - Stoll,...more
Before Lourie, Hughes, and Stark. Appeal from the U.S. District Court for the Eastern District of Texas. Summary: An infringement judgment is only sufficiently “final” to be immune from a later finding of unpatentability if...more
Precedential and Key Federal Circuit Opinions - 1. IOENGINE, LLC V. VIDAL (21-1227 Lourie, Chen, Stoll) - Chen, J. The Court reversed in part and affirmed in part the Final Written Decisions of the Patent Trial and...more
Being sued for patent infringement in the U.S. can be confusing, especially for foreign companies with limited litigation experience. Even more confusing are the multiple options and venues available for responding to patent...more
This post reviews developments from the Northern, Southern, Eastern, and Western Districts of Texas in December 2023. ...more
On June 1, 2023, the new European Unified Patent Court (UPC) opened its doors, and enforcement of European patents in (currently) 17 contract member states is now possible with one action. This series of articles – directed...more
A bipartisan group of senators introduced two new bills this year to address prevailing issues with the U.S. patent system. This article summarizes the key aspects of each bill and analyzes the potential consequences....more
The Patent Trial and Appeal Board held all challenged claims of IGT’s patent unpatentable as obvious over two prior art patents. Zynga Inc. v. IGT, IPR2022-00199-32. In doing so, the PTAB further held that, contrary to...more
The US Court of Appeals for the Federal Circuit ruled that a claim interpretation that flows naturally from the parties’ stipulated claim construction is binding on the parties even if the interpretation reads preferred...more
The Federal Circuit has ruled that when members of a patent family have different expiration dates due to patent term adjustments (PTAs), the earlier-expiring patent family members can be used as a basis for an...more
Two bills recently introduced in Congress could significantly affect the current patent litigation landscape. The bipartisan bills are titled the Patent Eligibility Restoration Act of 2023 and the Promoting and Respecting...more
While direct patent infringement is a strict liability offense, liability for inducing another’s infringement requires an element of intent. Specifically, the party accused of inducement must have known of the patent and...more
On May 12, 2023, the Intel v. VLSI chronicle continued as the PTAB issued a final written decision holding that all of the challenged claims of VLSI’s U.S. Patent No. 7,725,759 (“the ’759 patent”) were unpatentable as...more
Who Bears the Burden of Proof for IPR Estoppel? In Ironburg Inventions Ltd. v. Valve Corp., Appeal No. 21-2296, the Federal Circuit held that the patentee has the burden of proving that invalidity grounds not raised in a...more
The Patent Trial and Appeal Board (PTAB) has denied VLSI’s motion to terminate Intel’s involvement in an inter partes review (IPR) of a VLSI patent. VLSI and Intel are engaged in a legal war across several jurisdictions....more
We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March...more
On April 3, 2023, the Federal Circuit issued an opinion in Ironburg Inventions Ltd. v. Valve Corp., addressing the scope of what invalidity grounds are subject to estoppel pursuant to 35 U.S.C. § 315(e)(2) and the burden of...more