MADDERS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 16 (Paper & Printed Goods) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 25, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 85938528 | MADDERS | May 21, 2013 | Pending | 016 Paper & Printed Goods 041 Education & Entertainment 042 Science & Technology | ERESEARCH TECHNOLOGY, INC. |
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FAQ: MADDERS trademark portfolio
What trademarks does MADDERS hold?
MADDERS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 16 (Paper & Printed Goods), Class 41 (Education & Entertainment), Class 42 (Science & Technology). The most recent filings are registered to ERESEARCH TECHNOLOGY, INC..
How many trademarks does MADDERS have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to MADDERS. 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 MADDERS file most often?
MADDERS's most active class is NICE Class 16 (Paper & Printed Goods), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the MADDERS trademark?
The most recent filings under the MADDERS mark are registered to ERESEARCH TECHNOLOGY, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is MADDERS expanding into new categories?
The current WikiTrademarks Expansion Score for MADDERS is 4 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 MADDERS trademark filings?
Click the Watch Brand button at the top of this page to add MADDERS 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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