LACKENBACH SIEGEL LLP
LACKENBACH SIEGEL LLP is a SCARSDALE, NEW YORK-based trademark practice with 5,759 USPTO filings on file, 629 of which are currently live. The firm has represented 1,996 distinct trademark owners — a broad client roster of mostly one-off filings at roughly 2.9 marks per client. In TTAB practice, the firm has handled 1,091 proceedings, more often as plaintiff (656) than defendant (443). 16 attorneys have appeared at the firm — 1 focused on prosecution, 12 on TTAB matters, 2 working across both areas.
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Explore the Trademark Intelligence Library
Editorial deep dives on prosecution strategy, TTAB, and brand portfolios
Refusals 101, Part 2: Section 2(d) — The Register's Biggest Fight
Section 2(d) is the most common substantive reason the USPTO refuses a trademark — and the one most likely to kill a name you've already fallen in love with. Here's what examiners actually compare.
How a Name Becomes Unownable: OSHO and the Anatomy of a Generic Trademark
Seventeen years after the TTAB ruled OSHO generic, the register tells the whole story: twenty OSHO marks ever filed, eighteen dead - and the only live OSHO word registration belongs to a Mexican beverage company.
The DEMON HUNTER Trademark That Netflix Filed Right Past
A Christian metal band sued Netflix over KPOP DEMON HUNTERS. The USPTO register shows a first DEMON HUNTER registration the band let die in 2014 — and a live one it rebuilt in 2022.