This is the new MLex platform. Existing customers should continue to use the existing MLex platform until migrated.
For any queries, please contact Customer Services or your Account Manager. Dismiss

Amid mounting court challenges, USPTO gives notice of proposed rulemaking

By Melissa Ritti ( October 16, 2025, 18:15 GMT | Comment) -- The US Patent and Trademark Office on Thursday unveiled new rules which, if enacted, would dramatically heighten the hurdle for securing inter partes review before the Patent Trial and Appeal Board. Those wishing to weigh in on the changes have 30 days to respond.In a notice of proposed rulemaking (NPRM) to be published Friday, the US Patent and Trademark Office will formalize its efforts to curb repeated challenges to issued patents before the Patent Trial and Appeal Board (PTAB) — a practice it says renders “even extremely strong” patents “unreliable.”...

Prepare for tomorrow’s regulatory change, today

MLex identifies risk to business wherever it emerges, with specialist reporters across the globe providing exclusive news and deep-dive analysis on the proposals, probes, enforcement actions and rulings that matter to your organization and clients, now and in the longer term.


Know what others in the room don’t, with features including:

  • Daily newsletters for Antitrust, M&A, Trade, Data Privacy & Security, Technology, AI and more
  • Custom alerts on specific filters including geographies, industries, topics and companies to suit your practice needs
  • Predictive analysis from expert journalists across North America, the UK and Europe, Latin America and Asia-Pacific
  • Curated case files bringing together news, analysis and source documents in a single timeline

Experience MLex today with a 14-day free trial.

Start Free Trial

Already a subscriber? Click here to login

Documents

Related Sections