SEIRIN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 11, 2026
Protect or track "SEIRIN"
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 SEIRIN filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 75029703 | SEIRIN | Dec 08, 1995 | Abandoned | 010 Medical Devices | SEIRIN-AMERICA, INC. |
Weekly visibility reports showing how ChatGPT mentions SEIRIN, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: SEIRIN trademark portfolio
What trademarks does SEIRIN hold?
SEIRIN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices). The most recent filings are registered to SEIRIN-AMERICA, INC..
How many trademarks does SEIRIN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SEIRIN. The brand has been actively filing since December 1995. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SEIRIN file most often?
SEIRIN's most active class is NICE Class 10 (Medical Devices), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SEIRIN trademark?
The most recent filings under the SEIRIN mark are registered to SEIRIN-AMERICA, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SEIRIN expanding into new categories?
The current WikiTrademarks Expansion Score for SEIRIN 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 SEIRIN trademark filings?
Click the Watch Brand button at the top of this page to add SEIRIN 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 SEIRIN to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about SEIRIN and help the next person researching it.