Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
The Briefing: A Prototypical Corporate Salesperson is Not Patentable
Podcast: The Briefing - A Prototypical Corporate Salesperson is Not Patentable
Ways to Amend the Claims in the Patent Invalidation Proceedings
Patent Right Evaluation Report in China’s Patent System
Stages of Patent Invalidation Proceedings
The Federal Circuit’s recent decision in Google LLC v. Sonos, Inc. (24-1097) offers a compelling look at the evolving doctrine of prosecution laches, the written description requirement, and the practical realities of patent...more
Challengers striving to beat higher-ranked opponents at the US Open tennis tournament happening now in New York are not the only challengers facing tricky new situations. Parties wishing to challenge the validity of US...more
In the recent decision of NOCO Company v. Brown and Watson International Pty Ltd [2025] FCA 887, Moshinsky J has provided welcomed clarity around the relevant date by which the best method known to the applicant is to be...more
The Patent Trial and Appeal Board (PTAB) has undergone significant changes in how it evaluates patent challenges, creating both opportunities and obstacles for technology and life sciences companies....more
A patent applicant dissatisfied by an patent examiner's rejection of that applicant's claims in ex parte prosecution has recourse by appeal to the Patent Trial and Appeal Board (PTAB) under 35 U.S.C. § 134, and to the Federal...more
Obvious-type double patenting (ODP) has historically served as a tool to prevent patent owners from extending exclusivity beyond the statutory allowed patent term and to tie patent families together during sale. Historically,...more
In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...more
Concluding that the principles of prosecution history disclaimer apply to design patents, the US Court of Appeals for the Federal Circuit reversed a district court’s denial of judgment as a matter of law and entry of a jury...more
On the heels of the U.S. Patent and Trademark Office Acting Director’s recent decision to deny institution of iRhythm Technologies’ inter partes review petition, the PTO has now issued additional decisions clarifying the role...more
Purdue Pharma (Purdue) has filed a petition for a writ of certiorari challenging a recent Federal Circuit decision upholding the invalidation of several Purdue patents on grounds of obviousness....more
On June 30, 2025, Perceptix filed suit against Meta Platforms for infringement of U.S. Patent 8,498,439, which describes a headphone that turns on when it is worn. The ‘439 Patent is assigned to the Electronics and...more
The U.S. Patent and Trademark Office (“USPTO”) Acting Director’s recent decision to deny institution of inter partes review (“IPR”) in iRhythm Technologies Inc. v. Welch Allyn Inc. offers valuable lessons for both patent...more
Patent attorneys are well-versed in the function of the Information Disclosure Statement (IDS) during prosecution. We understand that listing prior art in an IDS satisfies the duty of candor, helps insulate patents from...more
On March 24, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion vacating and remanding a decision of the U.S. Patent Trial and Appeal Board (the “Board”) that a published patent application...more
What You Need to Know: • Instead of filing multiple applications claiming different aspects of an invention but not sharing a single priority chain, patentees should strive to file highly comprehensive applications that...more
The patent world tends to think that the Supreme Court’s framework in Alice is a template for determining the eligibility of software and business method inventions. Under 35 U.S.C. § 101, abstract ideas are not eligible for...more
For a business planning to market a product that incorporates an invention, having an enforceable patent to protect the invention is often desirable. Two recent federal circuit cases reiterate what many patent holders and...more
This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more
In Honeywell International Inc. v. 3G Licensing, S.A., Appeal No. 23-1354, the Federal Circuit held that under the obviousness standard of 35 U.S.C. § 103, the motivation to modify prior art does not need to be the same as...more
In a precedential opinion entered on January 14, 2025, the United States Court of Appeals for the Federal Circuit affirmed a decision of the Patent Trial and Appeal Board (“PTAB”) invalidating claims of a patent on...more
The Federal Circuit recently addressed a deceptively straightforward question: does a published U.S. patent application qualify as prior art as of the application’s filing date in inter partes review (“IPR”) proceedings? ...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board decision finding challenged claims invalid based on a published patent application that, in an inter partes review (IPR) proceeding, was...more
On appeal from an inter partes review (“IPR”), the Federal Circuit held that, under pre-America Invents Act (“pre-AIA”) law, a published patent application is prior art as of its filing date as opposed to its later date of...more