5 Key Takeaways | Making Sense of §102 Public Use and On Sale Bars to Patentability
Monthly Minute | Commercialization of an Invention
In a mixed ruling on evidentiary exclusions and damages methodology, the US Court of Appeals for the Federal Circuit affirmed in part, reversed in part, vacated in part, and remanded a district court’s decision that excluded...more
In Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc., Appeal No. 25-1228, The Federal Circuit found that claims reciting a dosing regimen with unequal loading doses were not obvious and that a presumption of...more
In Jiaxing Super Lighting Elec. Appliance, Co. v. CH Lighting Tech. Co., Ltd, the Court of Appeals for the Federal Circuit reviewed the judgment in a patent infringement case involving three patents owned by Jiaxing Super...more
Kilpatrick’s Justin Krieger and Karam J. Saab recently presented at the “23rd Annual Rocky Mountain Intellectual Property & Technology Law Institute” in Westminster, Colorado. This two-day event brings together thought...more
On April 28, 2025, the U.S. Supreme Court declined to hear Celanese International Corp.’s challenge to a Federal Circuit decision which found the company’s patent on the process to create the artificial sweetener used in Coke...more
Attend ACI's 21st Annual Conference on Paragraph IV Disputes and join leaders from brand and generic pharmaceutical companies, renowned outside counsel, esteemed members of the judiciary, government, and academia to: -...more
The US Court of Appeals for the Federal Circuit found the patents at issue invalid based on the patent owner’s “quotation” letter to a third party, concluding it was a commercial offer for sale under pre-America Invents Act...more
DDR Holdings, LLC v. Priceline.com LLC, Appeal Nos. 2023-1176, -1177 (Fed. Cir. Dec. 9, 2024) In our Case of the Week, the Federal Circuit affirmed a stipulated non-infringement judgment from Delaware’s district court,...more
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
Precedential and Key Federal Circuit Opinions - SANHO CORP. v. KAIJET TECHNOLOGY INTERNATIONAL LIMITED, INC. [OPINION] (2023-1336, 7/31/24) (Dyk, Clevenger, Stoll) - Dyk, J. The Court affirmed the Board’s decision...more
The US Court of Appeals for the Federal Circuit affirmed the International Trade Commission’s (ITC) determination that the asserted process patents were invalid under the America Invents Act (AIA) because products made using...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
On August 12, 2024, the Federal Circuit published its decision in Celanese International Corp. et al. v. International Trade Commission. The Federal Circuit concluded that, under the America Invents Act (AIA), patent claims...more
In part 1 of this series, I introduced the “on sale bar” and described how a commercial sale or offer for sale can negate patentability, according to the doctrine the Supreme Court established in Pfaff v. Wells Elecs., Inc....more
A recurring decision facing many businesses is how to best protect the technology it creates. One can always try to keep technology “secret,” but that is often not possible, particularly with methods or devices that will be...more
A medical device patentee has asked the U.S. Supreme Court to save his design patent, related to an introducer sheath handle, from invalidity based on application of the “on-sale” bar, which prohibits patenting an invention...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
With another busy week of arguments last week, the Federal Circuit took a break from issuing precedential decisions. But it still pushed out several non-precedential decisions along with some quick affirmances without...more
On April 29, 2022, the Court of Appeals for the Federal Circuit issued an opinion for Sunoco Partners Marketing & Terminals L.P. v. U.S. Venture, Inc., U.S. Oil Co., Inc. (2022 WL 1275697).This case touched on a number of...more
Sunoco Partners Marketing & Terminals L.P. v. U.S. Venture, Inc., Appeal Nos. 2020-1640, -1641 (Fed. Cir. Apr. 29, 2022) - Our case of the week has a little bit for everyone, including lost profits, reasonable royalties,...more
SUNOCO PARTNERS MARKETING v. U.S. VENTURE, INC. Before Prost, Reyna, and Stoll. Appeal from the United States District Court for the Northern District of Illinois. Summary: References to testing in an offer for sale...more
On February 10, 2022, in Junker v. Medical Components, Inc., the U.S. Court of Appeals for the Federal Circuit reversed the Eastern District of Pennsylvania’s grant of summary judgment of no invalidity under the “on-sale bar”...more
The Federal Circuit recently reversed a lower court’s summary judgment that a medical device design patent was not invalid under the on-sale bar. As a result, the patent owner (Junker) lost the $1.25M infringement damages...more