Brant Latham
Brant Latham is a USPTO correspondent of record based in TORONTO, ONTARIO, listed on 135 trademark filings (2 currently live). The correspondent has worked across 80 distinct trademark owners — a broad client roster of mostly one-off filings at roughly 1.7 marks per client. In TTAB matters, 32 proceedings appear on the record, more often as plaintiff (23) than defendant (9). The correspondent is associated with Riches, McKenzie & Herbert LLP.
4O2Registered0Pending0Dead
IC0Registered0Pending12Dead
LCLINAMAR CORPORATION8 marks0Registered0Pending8Dead
NENOR-AM ELECTRICAL LIMITED7 marks0Registered0Pending7Dead
IMINTERWOOD MARKETING LIMITED5 marks0Registered0Pending5Dead
9O928368 ONTARIO LIMITED3 marks0Registered0Pending3Dead
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Editorial deep dives on prosecution strategy, TTAB, and brand portfolios
TTAB Q4 2025: Opposition Plaintiffs Won Roughly Five of Every Eight Decisions
When the Trademark Trial and Appeal Board cleared its opposition docket in Q4 2025, the people who filed the oppositions mostly walked away winners.
Maradona's Heirs Win at the TTAB as Q1 Filings Slip 7.4%
On the last day of the quarter, the Trademark Trial and Appeal Board sustained an opposition brought by the heirs of Diego Armando Maradona against Sattvica S.A.
Challengers Won Most TTAB Oppositions in Q3 2025 — and Big Tech Filed a Late-September Wall of Them
When the Trademark Trial and Appeal Board decided an opposition on the merits this quarter, the party bringing the challenge usually won.