"'In re Cellect' and the USPTO’s proposed rule have the potential to fundamentally affect patent practice, particularly in the realm of terminal disclaimers filed to overcome ODP rejections," write ...

Unity of invention and double patenting law and practice in Canada can create challenges for patent applicants. For example, applicants may not expect a unity of invention objection to be raised, ...

Due to the amendments in the Singapore Patents Act effective on or after July 1 2004, the issue of double patenting provides one possible ground for revocation of all Singapore patent applications.

Hwa-Kyun Lee and Youngmin Park of FirstLaw explain the country’s strict divisional filing system, the risks of double patenting, and recent legislative changes shaping how applicants pursue related ...