Patent Law Practice Center

Courtenay Brinckerhoff: What Happens When Interfering Applications Straddle The First-To-File Effective Date?

The following article comes from Courtenay C. Brinckerhoff, Partner at Foley & Lardner and writer of PharmaPatents Blog. 

It has been a while since I’ve taken an in-depth look at the first-to-file provisions of the America Invents Act. This interesting fact pattern comes from Andrea Levesque, IP Counsel at ARC Energy, and relates to the interference provisions that survive the general March 16, 2013 effective date of the first-to-file provisions.

The March 16, 2013 Effective Date

As I wrote previously, one of the more complex aspects of the America Invents Act relates to the effective date and applicability of the first-to-file provisions of new 35 USC § 102. As a general rule, applications with any claim that has an effective filing date on or after March 16, 2013 will be subject to the new version of § 102. On the other hand, applications with any claim that has an earlier effective filing date still will be subject to the current versions of 35 USC §§ 102(g), 135 and 291: (more…)