Rebecca Kupfer
Rebecca Kupfer is a USPTO correspondent of record based in TORONTO, ONTARIO, CALIFORNIA, listed on 453 trademark filings (406 currently live). The correspondent has worked across 304 distinct trademark owners — a broad client roster of mostly one-off filings at roughly 1.5 marks per client. In TTAB matters, Rebecca Kupfer is attorney of record on 3 contested oppositions and cancellations, more often as plaintiff (2) than defendant (1). The correspondent is associated with Shift Law Professional Corporation.
AHAdaria Holdings Limited6 marks2Registered4Pending0Dead
LM2Registered2Pending1Dead
2O2128230 Ontario Limited4 marks3Registered0Pending1Dead
Explore the Trademark Intelligence Library
Editorial deep dives on prosecution strategy, TTAB, and brand portfolios
The 'Twitter' Land Grab: What a Startup's USPTO Filings Reveal About Reclaiming a Dead Name
A startup filed to seize the TWITTER trademark on the theory that X abandoned it. The USPTO register shows exactly how far that gambit has — and hasn't — gotten.
Amazon Filed a Trademark for DUCKLABS the Same Day It Announced Buying DuckLabs
On August 26, Amazon Technologies filed a trademark application for DUCKLABS — the same day AWS announced it had signed a definitive agreement to acquire DuckLabs, the Amsterdam company behind the
Fighting Back, Part 1: What the Cure-Rate Data Actually Says About Beating a Refusal
We measured every US trademark application filed in January 2022 - 46,443 files. More than half drew a refusal letter, roughly half of the refused still registered, and even a final refusal only nudged the odds.