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In a February 10, 2025 order, the Federal Circuit Court of Appeals rejected the application of the collateral estoppel doctrine to patent claims asserted in a district court infringement action where other claims in the same...more
Bound to Happen: Inherent Property Leaves No Question of Reasonable Expectation of Success - In Cytiva Bioprocess R&D Ab v. Jsr Corp., Appeal No. 23-2074, the Federal Circuit held that a claim limitation merely reciting an...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
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
Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...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
PATENT CASE OF THE WEEK - American Axle & Manufacturing, Inc. v. Neapco Holdings LLC, Appeal No. 2018-1763 (Fed. Cir. July 31, 2020) - In this week’s Case of the Week, the Federal Circuit modified and re-issued its...more
PATENT CASE OF THE WEEK - Samsung Electronics America, Inc. v. Prisua Engineering Corp., Appeal No. 2019-1169, -1260 (Fed. Cir. Feb. 4, 2020) - Our case of the week concerns issues particular to inter partes review...more
Just Because Something May Result From a Prior Art Teaching Does Not Make it Inherent in that Teaching - In Personal Web Technologies, LLC v. Apple, Inc., Appeal No. 2018-1599, the Federal Circuit clarified that the mere...more
A preliminary decision in the District Court of Delaware introduces the possibility that a patentee’s victory on assignor estoppel in the district court could quash a co-pending IPR proceeding at the PTAB. Assignor estoppel...more
Federal Circuit Finds Claims Directed to Tabbed Spreadsheets Patent Eligible and Claims Directed to Tracking Changes in Documents Ineligible Under Section 101 - In Data Engine Technologies LLC v. Google LLC, Appeal No....more
PATENT CASE OF THE WEEK - Worlds Inc. v. Bungie, Inc., Appeal Nos. 2017-1481, -1546, -1583 (Fed. Cir. Sept. 7, 2018) In appeals from three inter partes reviews, the Federal Circuit vacated the PTAB’s decision...more
PATENT CASE OF THE WEEK - Droplets, Inc. v. E*TRADE Bank., Appeal No. 2016-2504 (Fed. Cir. 2018)?- In an appeal from an inter partes review, the Federal Circuit affirmed a decision by the PTAB invalidating a patent...more
Core Wireless Licensing v. LG Electronics, Inc. (No. 2016-2684, 2017-1922, 1/25/18) (Moore, O'Malley, Wallach) - Moore, J. Affirming judgment that patent claims directed to improved display interfaces for electronic...more
In instituting IPR of a particular patent, the PTAB found that the patent was not entitled to its priority claim, thus opening it up to invalidity attacks. However, because the PTAB’s decision was not being challenged in the...more
On May 11, 2017, Magistrate Judge Roy Payne in the Eastern District of Texas recommended that patentee Biscotti’s inter partes review (IPR) estoppel motion be granted–in-part and denied-in-part....more
Since their introduction, inter partes review (“IPR”) proceedings have had a close association with district court litigation. Indeed, litigation defendants are often the petitioners who initiate IPR proceedings. Therefore,...more
Federal Circuit Dismisses an Appeal of an Inter Partes Reexamination for Lack of Standing Where the Appellant Failed to Establish that it was the Successor-in-Interest to the Original Petitioner - In Agilent...more
Federal Circuit Declines to Reverse Invalidity, Noninfringement Holdings - In Spectrum Pharmaceuticals, Inc. v. Sandoz Inc., Appeal No. 2014-1407, the Federal Circuit affirmed the district court’s grant of summary...more