DINEFF TRADEMARK LAW LIMITED
DINEFF TRADEMARK LAW LIMITED is a Chicago, ILLINOIS-based trademark practice with 4,481 USPTO filings on file, 2,111 of which are currently live. The firm has represented 2,336 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 653 proceedings, more often as defendant (360) than plaintiff (296). 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
What Coca-Cola's "Spricy" Trademark Actually Tells You — and What It Doesn't
Coca-Cola filed to trademark "Spricy." A data look at how the company really files, why most of these names quietly die, and the one detail that says this one might be a real product.
Taylor Swift Didn't Just Get Sued Over "The Life of a Showgirl" — the USPTO Already Refused It
What the public trademark record shows about the reverse-confusion fight — and why the most important fact was sitting in the file months before the lawsuit.
7-Eleven v. Nike: The Trademark Case That Isn't Really About Colors
What the USPTO and TTAB record shows about the Air Max 95 fight — and why the real question is striped trade dress, marketplace context, and Nike's own enforcement history.