K&L Gates LLP is a Chicago, Illinois-based trademark practice with 22,765 USPTO filings on file, 9,117 of which are currently live. The firm has represented 6,167 distinct trademark owners — a mid-breadth client roster at roughly 3.7 marks per client. In TTAB practice, the firm has handled 4,963 proceedings, more often as plaintiff (3,001) than defendant (1,997). 307 attorneys have appeared at the firm — 24 focused on prosecution, 160 on TTAB matters, 68 working across both areas.
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Editorial deep dives on prosecution strategy, TTAB, and brand portfolios
Worldle LLC cannot register WORLDLE for online game software because buyers may confuse it with WORDLE
Worldle LLC filed an application, a request to register a mark, for WORLDLE on online game software used without downloads.
The Cases Examiners Cite, Part 1: The Confusion Canon
A handful of cases quietly decide whether two brands can share the register. From du Pont to Detroit Athletic, here is the confusion canon examiners rely on - and what each case actually settled.
Board refuses request to register UNPLEX after earlier UNPLEX TECHNOLOGIES use
The Board refused the request to register UNPLEX after finding that UNPLEX TECHNOLOGIES had been used first in the United States.