DERWENT PATENTS CITATION INDEX holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 42 (Science & Technology) 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 July 7, 2026
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is DERWENT PATENTS CITATION INDEX filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
6 records| Date | From | To |
|---|---|---|
| Jun 30, 2017 |
THOMSON REUTERS CANADA LIMITED
|
CAMELOT UK BIDCO LIMITED
LONDON
|
| Oct 3, 2016 |
CAMELOT UK BIDCO LIMITED
THOMSON REUTERS (SCIENTIFIC) LLC
MASTER DATA CENTER, INC.
NETRESULT SOLUTIONS LIMITED
MICROPATENT LLC
|
CREDIT SUISSE AG CAYMAN ISLANDS BRANCH,...
NEW YORK, NEW YORK
|
| Aug 21, 2014 |
THOMSON REUTERS (PROFESSIONAL) UK LIMITE...
|
TR PROFESSIONAL HOLDINGS LIMITED
LONDON
|
| Aug 21, 2014 |
TR PROFESSIONAL HOLDINGS LIMITED
|
CENTRE FOR MEDICINES RESEARCH INTERNATIO...
LONDON
|
| Aug 21, 2014 |
CENTRE FOR MEDICINES RESEARCH INTERNATIO...
|
THOMSON REUTERS GLOBAL RESOURCES
BAAR
|
| Aug 21, 2014 |
THOMSON REUTERS GLOBAL RESOURCES
|
THOMSON REUTERS CANADA LIMITED
TORONTO
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 75040311 | DERWENT PATENTS CITATION INDEX | Dec 08, 1995 | Abandoned | 042 Science & Technology | CAMELOT UK BIDCO LIMITED |
Weekly visibility reports showing how ChatGPT mentions DERWENT PATENTS CITATION INDEX, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DERWENT PATENTS CITATION INDEX trademark portfolio
What trademarks does DERWENT PATENTS CITATION INDEX hold?
DERWENT PATENTS CITATION INDEX holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 42 (Science & Technology). The most recent filings are registered to CAMELOT UK BIDCO LIMITED.
How many trademarks does DERWENT PATENTS CITATION INDEX have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DERWENT PATENTS CITATION INDEX. 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 DERWENT PATENTS CITATION INDEX file most often?
DERWENT PATENTS CITATION INDEX's most active class is NICE Class 42 (Science & Technology), with 1 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DERWENT PATENTS CITATION INDEX trademark?
The most recent filings under the DERWENT PATENTS CITATION INDEX mark are registered to CAMELOT UK BIDCO LIMITED. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DERWENT PATENTS CITATION INDEX expanding into new categories?
The current WikiTrademarks Expansion Score for DERWENT PATENTS CITATION INDEX 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 DERWENT PATENTS CITATION INDEX trademark filings?
Click the Watch Brand button at the top of this page to add DERWENT PATENTS CITATION INDEX 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 DERWENT PATENTS CITATION INDEX to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about DERWENT PATENTS CITATION INDEX and help the next person researching it.