SIRSIDYNIX holds 1 USPTO trademark filings across 2 NICE classes. The largest concentration is in Class 9 (Electronics & Software) 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 3, 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 |
|---|---|---|
| Dec 31, 2014 |
SD INTERMEDIATE INC.
SIRSI CORPORATION
SIRSIDYNIX EOS, LLC
|
WELLS FARGO BANK, NATIONAL BANKING ASSOC...
SANTA MONICA, CALIFORNIA
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 78741572 | SIRSIDYNIX | Oct 27, 2005 | Abandoned | 009 Electronics & Software 041 Education & Entertainment | Sirsi Corporation |
Weekly visibility reports showing how ChatGPT mentions SIRSIDYNIX, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: SIRSIDYNIX trademark portfolio
What trademarks does SIRSIDYNIX hold?
SIRSIDYNIX holds 1 USPTO trademark filings across 2 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 41 (Education & Entertainment). The most recent filings are registered to Sirsi Corporation.
How many trademarks does SIRSIDYNIX have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SIRSIDYNIX. The brand has been actively filing since October 2005. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SIRSIDYNIX file most often?
SIRSIDYNIX's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 2 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SIRSIDYNIX trademark?
The most recent filings under the SIRSIDYNIX mark are registered to Sirsi Corporation. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SIRSIDYNIX expanding into new categories?
The current WikiTrademarks Expansion Score for SIRSIDYNIX 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 SIRSIDYNIX trademark filings?
Click the Watch Brand button at the top of this page to add SIRSIDYNIX 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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