21ST AMENDMENT holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 33 (Wines & Spirits) with 2 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 29, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Jan 20, 2026 |
THE 21ST AMENDMENT BREWERY CAFÉ, LLC
|
DAMIAN BROWN, LLC
TIBURON, CALIFORNIA
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 97529735 | 21ST AMENDMENT | Aug 01, 2022 | Registered | 033 Wines & Spirits | DAMIAN BROWN, LLC |
| 90888652 | 21ST AMENDMENT | Aug 18, 2021 | Pending | 033 Wines & Spirits | DAMIAN BROWN, LLC |
| 77149945 | 21ST AMENDMENT | Apr 05, 2007 | Abandoned | 032 Beer & Soft Drinks 043 Food & Drink Services | DAMIAN BROWN, LLC |
| 75737119 | 21ST AMENDMENT | Jun 25, 1999 | Abandoned | 040 Material Treatment 042 Science & Technology | DAMIAN BROWN, LLC |
Weekly visibility reports showing how ChatGPT mentions 21ST AMENDMENT, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: 21ST AMENDMENT trademark portfolio
What trademarks does 21ST AMENDMENT hold?
21ST AMENDMENT holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 33 (Wines & Spirits), Class 40 (Material Treatment), Class 42 (Science & Technology). The most recent filings are registered to DAMIAN BROWN, LLC.
How many trademarks does 21ST AMENDMENT have at the USPTO?
WikiTrademarks tracks 4 USPTO trademark filings attributed to 21ST AMENDMENT. The brand has been actively filing since June 1999. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does 21ST AMENDMENT file most often?
21ST AMENDMENT's most active class is NICE Class 33 (Wines & Spirits), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the 21ST AMENDMENT trademark?
The most recent filings under the 21ST AMENDMENT mark are registered to DAMIAN BROWN, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is 21ST AMENDMENT expanding into new categories?
The current WikiTrademarks Expansion Score for 21ST AMENDMENT is 0 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new 21ST AMENDMENT trademark filings?
Click the Watch Brand button at the top of this page to add 21ST AMENDMENT to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
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