STAK holds 6 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 3 filings. The WikiTrademarks Expansion Score is 18/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 10, 2026
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is STAK filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99848415 | STAK | May 27, 2026 | Registered | 029 Processed Foods | Top Down LLC |
| 99466148 | STAK | Oct 28, 2025 | Registered | 009 Electronics & Software 041 Education & Entertainment | Tax Lien Code LLC |
| 99253953 | STAK | Jun 26, 2025 | Registered | 021 Housewares | CORPORATION TRUDEAU INTERNATIONAL INC. |
| 98639991 | STAK | Jul 09, 2024 | Pending | 009 Electronics & Software | California Enthusiasm Authority LLC |
| 97880407 | STAK | Apr 10, 2023 | Registered | 009 Electronics & Software | Stak Corp. |
| 90679646 | STAK | Apr 29, 2021 | Registered | 039 Transport & Storage | BIB Technologies, Inc. |
Weekly visibility reports showing how ChatGPT mentions STAK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: STAK trademark portfolio
What trademarks does STAK hold?
STAK holds 6 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 41 (Education & Entertainment), Class 21 (Housewares). The most recent filings are registered to Top Down LLC.
How many trademarks does STAK have at the USPTO?
WikiTrademarks tracks 6 USPTO trademark filings attributed to STAK. The brand has been actively filing since April 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does STAK file most often?
STAK's most active class is NICE Class 9 (Electronics & Software), with 3 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the STAK trademark?
The most recent filings under the STAK mark are registered to Top Down LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is STAK expanding into new categories?
The current WikiTrademarks Expansion Score for STAK is 18 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 STAK trademark filings?
Click the Watch Brand button at the top of this page to add STAK 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.
More on this portfolio: Compare STAK to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about STAK and help the next person researching it.