Here’s a glossary of trademark terms you need to understand to make sense of fighting frivolous trademarks. See all other posts regarding trademarks here.
Letter of Protest done after the application is Published for Opposition. Must be submitted within 30 days of the publication date. It's best to submit 75 pages of evidence plus an index. These take 2-10 days, probably less if you’re not dealing with brain fog and insomnia. Per multiple convo's with an Attorney Advisor, these are guaranteed to fail without a “slam dunk” level of evidence. If you can't find evidence that fits the checklist provided on this website, you're probably wasting your time.
Letter of Protest submitted before the application is Published for Opposition. These are easiest, and take about 15-30 minutes. It’s best to submit a pre-pub LOP within 3 months of the application filing date, before the Examining Attorney is assigned. (Earlier is better!) See Dave Cadoff's post for a step-by-step walk-through of a "bare bones" (read: quick and easy!) protest.
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