SINA holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 41/100, moderate — the brand is steadily adding adjacent classes.
USPTO data refreshed July 13, 2026
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Sign in to claimHow is SINA 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.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Sep 15, 2016 |
SECUNET SECURITY NETWORKS AKTIENGESELLSC...
|
SECUNET SECURITY NETWORKS AG
45138 ESSEN
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99861786 | SINA | Jun 03, 2026 | Registered | 009 Electronics & Software 028 Games & Toys 035 Advertising & Business 041 Education & Entertainment | Sina Method LLC |
| 79131676 | SINA | May 29, 2013 | Pending | 009 Electronics & Software 038 Telecommunications 042 Science & Technology | secunet Security Networks AG |
Weekly visibility reports showing how ChatGPT mentions SINA, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: SINA trademark portfolio
What trademarks does SINA hold?
SINA holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 38 (Telecommunications), Class 42 (Science & Technology). The most recent filings are registered to Sina Method LLC.
How many trademarks does SINA have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to SINA. The brand has been actively filing since May 2013. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SINA file most often?
SINA's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SINA trademark?
The most recent filings under the SINA mark are registered to Sina Method LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SINA expanding into new categories?
The current WikiTrademarks Expansion Score for SINA is 41 out of 100, which is moderate — the brand is steadily adding adjacent classes. 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 SINA trademark filings?
Click the Watch Brand button at the top of this page to add SINA 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 SINA to another owner · Browse all NICE classes · Most valuable brands
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