Death pangs of the doctrine of equivalents

Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Death pangs of the doctrine of equivalents

On May 22 this year, the US Supreme Court decided the most eagerly-awaited patent case in many years, Festo v SMC. The case addresses a key issue for patent holders: what protection is available under the doctrine of equivalents. But was the decision as important as many people have claimed? What effect will it have for patent applicants and litigants in the US? And what impact will it have on the US Patent and Trademark Office, the Federal Circuit and district courts? MIP invited six senior IP practitioners in the US to a round table discussion, held at the Washington DC offices of Finnegan Henderson, to discuss the implications of the Festo decision, as well as other recent patent cases. James Nurton moderated the discussion

Unlock this content.

The content you are trying to view is exclusive to our subscribers.

To unlock this content:

Take a Free Trial or Login
more from across site and SHARED ros bottom lb

More from across our site

A lack of comfort among some salaried partners shows why law firms must actively foster inclusion, not merely focus on diversity mandates
Arrival of Laura Alonso, alongside a team of 11, will bring ‘significant value’ to ECIJA clients, says CEO
In the first of a two-part article, lawyers at Spruson & Ferguson and Marshall Gerstein provide an overview of China’s system for appealing against patent invalidation decisions
Lawyers and corporate leaders at INTA’s Business of M&A conference in New York discussed how cross-practice collaboration and early in-house involvement can help deals
Lily Li, partner at Morrison Foerster, shares how her litigation team helped secure victory at the ITC in a patent infringement case
Top talking points also included news of an appellate ruling concerning ‘Pisco’ and Indian drugmakers gearing up to launch generic versions of Ozempic as Novo Nordisk’s patent expires
The government’s keenly awaited view on AI and copyright has positive themes but leaves rights owners wanting, says Rebecca Newman at Addleshaw Goddard
While IP Australia’s updated manual could be favourable to computer-implemented inventions, stakeholders would like to see whether a consistent and reliable standard is followed during actual examination
UKIPO will remain a competitive option as long as efficient service continues
A future opt-out has not been ruled out, but practitioners warn that the UK could fall behind in the AI race
Gift this article