Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
A Guide to SEP: Standard Essential Patents for Tech Startups
Wolf Greenfield’s New Shareholders
5 Key Takeaways | Building a Winning Evidentiary Record at the PTAB (and Surviving Appeal)
Wolf Greenfield Attorneys Review 2024 and Look Ahead to 2025
5 Key Takeaways | Alice at 10: A Section 101 Update
Director Review Under the USPTO's Final Rule – Patents: Post-Grant Podcast
AGG Talks: Cross-Border Business Podcast - Episode 20: Mastering ITC Section 337 Investigations
Navigating Intellectual Property Challenges in the Renewable Energy Sector - Energy Law Insights
Patent Considerations in View of the Nearshoring Trends to the Americas
Tonia Sayour in the Spotlight
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
3 Key Takeaways | What Corporate Counsel Need to Know About Patent Damages
5 Key Takeaways | Rolling with the Legal Punches: Resetting Patent Strategy to Address Changes in the Law
Meet Meaghan Luster: Patent Litigation Associate at Wolf Greenfield
Legal Alert: USPTO Proposes Major Change to Terminal Disclaimer Practice
PODCAST: Williams Mullen's Trending Now: An IP Podcast - Artificial Intelligence Patents & Emerging Regulatory Laws
Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
Patent Litigation: How Low Can You Go?
On May 1, 2025, Senators Chris Coons (D-DE), Thom Tillis (R-NC), Dick Durbin (D-IL), and Mazie Hirono (D-HI) reintroduced the Promoting and Respecting Economically Vital American Innovation Leadership (PREVAIL) Act. The...more
Be careful of showing your claimed inventions at tradeshows. On February 15, 2023, the Federal Circuit (“CAFC”) affirmed a summary judgment ruling that, by merely showcasing an embodying device at an industry event (the...more
2021 saw several important milestones in the biosimilars space, including the much anticipated first interchangeable designations by FDA and the approval of the first ophthalmology biosimilar. The biosimilar market also...more
As we close out another calendar year, we look back at the top legal developments of 2019 that could influence the market for biologics and biosimilars. These five major court decisions will likely impact the legal strategy...more
In OSI Pharmaceuticals, LLC v. Aoptex Inc. (Fed. Cir. 2018-1925, Oct. 4, 2019), the Federal Circuit reversed the Patent Trial and Appeal Board’s (Board) decision that certain claims of US Patent No. 6,900,221 were...more
Case Name: Helsinn Healthcare S.A. v. Teva Pharms. USA, Inc., No. 17-1229, 139 S. Ct. 628 (Jan. 22, 2019) (Thomas, J. delivered the opinion for a unanimous Court), on cert. from the Federal Circuit, 855 F.3d 1356. ...more
The US Court of Appeals for the Federal Circuit dismissed an appeal of an inter partes review (IPR), finding that the challenger lacked appellate standing because it had terminated its attempts to develop the infringing...more
A patent can provide incredible benefits. When a patent is infringed, the patent owner may be entitled to damages from the infringer. Also, the patent owner may be able to receive an injunction against the infringer,...more
As the U.S. Supreme Court kicks off its 2018 term this week, it prepares to take up a series of firsts, including questions about the America Invents Act, securities fraud and privacy-related class action litigation. At the...more
The 2011 America Invents Act (AIA) provided a variety of new ways to administratively challenge patents, including the now widely used inter partes review (“IPR”) procedure. In two recent appeals of IPR decisions, Genentech...more
Genentech recently submitted two opening appellate briefs to the Federal Circuit in connection with its appeals from the Board’s final written decisions in Hospira’s IPRs, IPR2016-01771 and IPR2016-01837, which found that the...more
On June 13, 2018, Sen. Hatch (R-Utah) introduced an amendment that would require generic ANDA filers to choose between litigating validity in Hatch-Waxman district court litigation or an AIA challenge (IPR or PGR), and on...more
In connection with a recent “Chat with the Chief” webinar, the Patent Trials and Appeal Board (“PTAB”) released two studies – a study of expanded panels and a study of proceedings challenging orange book-listed patents....more
Case Name: Helsinn Healthcare S.A. v. Teva Pharms. USA, Inc., 855 F.3d 1356, 2017 U.S. App. LEXIS 7650 (Fed. Cir. May 1, 2017) (Circuit Judges Dyk, Mayer, and O’Malley presiding; Opinion by Dyk, J.) (appeal from D.N.J.,...more
In a decision last month, the Court of Appeals for the Federal Circuit gave petitioners in AIA proceedings yet another weapon to invalidate patents – by affirming a Patent Trial and Appeal Board (PTAB) decision that relied,...more
The Court of Appeals for the Federal Circuit (CAFC) recently construed the on-sale bar provision of 35 U.S.C. 102(a) in a way that will make it easier for petitioners to challenge third party patents. While in an inter-partes...more
On May 1st, the Federal Circuit ruled that the America Invents Act (AIA) did not change the statutory meaning of “on sale” where the existence of a sale was publicly announced prior to patenting, even if the sale did not...more
Yesterday, the Federal Circuit provided much-anticipated guidance on the scope of the America Invents Act’s “on-sale” bar provision. Helsinn Healthcare S.A. v. Teva Pharmaceuticals USA, Inc., et al., Nos. 2016-1284, 2016-1787...more
The America Invents Act (AIA) has had a profound impact on patent litigation, particularly surrounding inter partes and other post-grant proceedings. Below, Manish K. Mehta, who handles patent litigation across an array of...more
Upon initiation of a patent infringement action between branded and generic pharmaceutical companies, the Hatch-Waxman Act (21 U.S.C. § 355(j)) provides for an automatic 30-month stay of Food and Drug Administration approval...more
The America Invents Act established inter partes review and post-grant reviews mechanisms to challenge the validity of issued United States patents. These procedures were created to improve patent quality, and were introduced...more
On August 19th, the USPTO released a new set of proposed rules related to post-grant proceedings before the Patent Trial and Appeal Board (PTAB). Among the many offered rules was the addition of a “Rule 11-type certification”...more
Last month, in a letter to Congressional leadership, 79 Members of Congress expressed their support for the Innovation Act (H.R. 9) but sought inclusion of language in the bill "to preserve the integrity of the Drug Price...more
In a recent order, the Patent Trial and Appeals Board (PTAB) indicated that it will consider a motion for sanctions based on a claim of “abuse of process” in Inter Partes Review (IPR) proceedings filed by the Coalition for...more
Yesterday, BIO 2014 presented a session entitled "Navigating Patent Challenges Under the America Invents Act" during which the presenters analyzed the differences between patent challenges in Federal District Court and before...more