5 Key Takeaways | Making Sense of §102 Public Use and On Sale Bars to Patentability
Building a Cost-Effective Global Patent Portfolio Using the Netherlands
3 Key Takeaways | Third party Prior Art Submissions at USPTO
Conflicting Application in China’s Patent System
Patent Right Evaluation Report in China’s Patent System
Stages of Patent Invalidation Proceedings
The Patent Process | Interview with Patent Attorney, Robert Greenspoon
Secondary Considerations of Non-Obviousness - Patents: Post-Grant Podcast
Nonpublication Requests For Patent Applications: Disadvantages
Podcast: IP Life Sciences Landscape: Aiding Orange and Purple Book Patent Owners in Developing PTAB Survival Skills
Is The Deck Stacked Against Patent Owners In The PTAB?
What the First-to-File Patent Change Means (And What IP Strategists Should Do About It)
On July 31, the United States Patent and Trademark Office issued a memorandum (“Memo”) announcing that the Office will renew enforcement of 37 C.F.R. § 42.104(b)(4) (“Rule 104(b)(4)”) in inter partes review (IPR) proceedings....more
The Federal Circuit recently reversed a PTAB determination on remand that a patent was obvious over applicant admitted prior art (“AAPA”) in combination with prior art patents, holding that expressly designating AAPA as a...more
On June 11, 2025, the United States Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board (PTAB) decision invalidating two patents owned by Agilent Technologies. The patents at issue, U.S. 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
The Patent Trial and Appeal Board (PTAB) continues to play a pivotal role in shaping the intellectual property landscape. In 2024, several developments affecting PTAB practice emerged, from new rulemaking at the USPTO to key...more
In ZyXEL, the petitioner unexpectedly received a second chance to argue against the patentability of the patentee’s substitute claims, even though the U.S. Patent Trial & Appeal Board (PTAB) had already found those claims...more
On February 8, in Weber, Inc. v. Provisur Technologies, Inc., the Federal Circuit reversed the Patent Trial and Appeal Board (PTAB) and held that Weber’s operating manuals are prior art printed publications despite their...more
The Federal Circuit’s recent precedential decision in Parus Holdings v. Google underscores the importance of complying with the PTAB’s procedural rules in an IPR and the potentially serious consequences of not doing so. The...more
On March 6, in Regents of the University of Minnesota v. Gilead Sciences, Inc., the Federal Circuit affirmed a decision by the Patent Trial and Appeal Board (PTAB) in an inter partes review (IPR) invalidating claims of the...more
[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more
On February 1, in Qualcomm Inc. v. Apple Inc., the Federal Circuit held that Apple could not base an inter partes review (IPR) challenge of a Qualcomm patent solely on “applicant admitted prior art” (AAPA) found in the patent...more
On December 28, in Intel Corp. v. Qualcomm Inc., the Federal Circuit held that the Patent Trial and Appeal Board (PTAB) may not decline to consider the patentability of a claim challenged in an inter partes review (IPR)...more
The Federal Circuit’s recent decision in Microsoft Corporation v. FG SRC, LLC, No. 2020-1928 (Fed. Cir. June 17, 2021), is a stark reminder that an IPR petitioner must always set forth its grounds in its petition with...more
As of 2020, post grant proceedings have been in use for eight years. Designed as an alternative to district court litigation post grant proceedings have offered litigants a faster and more cost effective forum for resolving...more
Recently, the Federal Circuit issued a decision in Immunex Corp. v. Sanofi-Aventis U.S. LLC addressing the different claim construction standards used by the Patent Trial and Appeal Board (“PTAB”) (broadest reasonable...more
In a recent decision issued in Louisiana-Pacific Corp. v. Huber Engineered Woods LLC, the Patent Trial and Appeal Board addressed the showing that a petitioner for inter partes review must make to demonstrate that an asserted...more
Introducing the IP Litigation Quarterly Update, a quarterly newsletter summarizing noteworthy and interesting opinions related to intellectual property law. In this first edition covering the first quarter of 2020, the...more
In 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more
Last week, in Arendi S.A.R.L. v. Apple, the Federal Circuit reversed a Patent Trial and Appeal Board (PTAB) finding of invalidity in an inter partes review that relied on “common sense” to supply a claim limitation that was...more
On July 25, 2016, the Court of Appeals for the Federal Circuit (CAFC) held in In re Magnum Oil Tools International (Newman, O’Malley & Chen) that the burden of production to show unobviousness does not shift to a patent owner...more
The Federal Circuit vacates a decision by the PTAB for relying on facts raised for the first time at oral argument. Executive Summary - On March 15, 2016, the US Court of Appeals for the Federal Circuit vacated...more
One source of prior art commonly relied on in inter partes review proceedings is the “Wayback Machine.” The Wayback Machine is an internet archive of webpages that are browsed by crawler programs and then stored and preserved...more
Two years after the creation of the America Invents Act post-grant proceedings, many patent owners are facing an uphill battle when attempting to defend their intellectual property before the Patent Trial and Appeal Board...more