CERTIFIED DIEHARD holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear) with 1 filings. The WikiTrademarks Expansion Score is 24/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 4, 2026
Protect or track "CERTIFIED DIEHARD"
Watch this name and we'll alert you when anyone files a similar mark.
Informational only, not a legal opinion. Consult a trademark attorney before filing or enforcing.
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is CERTIFIED DIEHARD 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 |
|---|---|---|---|---|---|
| 99833944 | CERTIFIED DIEHARD | May 19, 2026 | Registered | 025 Clothing & Footwear | Charles R Harris |
Weekly visibility reports showing how ChatGPT mentions CERTIFIED DIEHARD, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CERTIFIED DIEHARD trademark portfolio
What trademarks does CERTIFIED DIEHARD hold?
CERTIFIED DIEHARD holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear). The most recent filings are registered to Charles R Harris.
How many trademarks does CERTIFIED DIEHARD have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to CERTIFIED DIEHARD. The brand has been actively filing since May 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CERTIFIED DIEHARD file most often?
CERTIFIED DIEHARD's most active class is NICE Class 25 (Clothing & Footwear), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CERTIFIED DIEHARD trademark?
The most recent filings under the CERTIFIED DIEHARD mark are registered to Charles R Harris. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CERTIFIED DIEHARD expanding into new categories?
The current WikiTrademarks Expansion Score for CERTIFIED DIEHARD is 24 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 CERTIFIED DIEHARD trademark filings?
Click the Watch Brand button at the top of this page to add CERTIFIED DIEHARD 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 CERTIFIED DIEHARD to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about CERTIFIED DIEHARD and help the next person researching it.