Litmus Law PLLC
Litmus Law PLLC is a Winchester, VIRGINIA-based trademark practice with 2,127 USPTO filings on file, 1,578 of which are currently live. The firm has represented 656 distinct trademark owners — a mid-breadth client roster at roughly 3.2 marks per client. In TTAB practice, the firm has handled 256 proceedings, more often as plaintiff (155) than defendant (102). 2 attorneys have appeared at the firm — 1 on TTAB matters, 1 working across both areas.
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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.