Mathilde Florenson
Mathilde Florenson is a USPTO correspondent of record based in CARLSBAD, CALIFORNIA, listed on 142 trademark filings (120 currently live). The correspondent has worked across 124 distinct trademark owners — a broad client roster of mostly one-off filings at roughly 1.1 marks per client. In TTAB matters, Mathilde Florenson is attorney of record on 46 contested oppositions and cancellations, more often as defendant (35) than plaintiff (11). The correspondent is associated with T-Rex Law, P.C..
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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.