DINEFF TRADEMARK LAW LIMITED
DINEFF TRADEMARK LAW LIMITED is a Chicago, ILLINOIS-based trademark practice with 4,485 USPTO filings on file, 2,105 of which are currently live. The firm has represented 2,347 distinct trademark owners — a broad client roster of mostly one-off filings at roughly 1.9 marks per client. In TTAB practice, the firm has handled 652 proceedings, more often as defendant (360) than plaintiff (295). 8 attorneys have appeared at the firm — 2 focused on prosecution, 3 on TTAB matters, 3 working across both areas.
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.