CAMBIUM holds 8 USPTO trademark filings across 4 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 3 filings. The WikiTrademarks Expansion Score is 55/100, moderate — the brand is steadily adding adjacent classes.
USPTO data refreshed July 18, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99820676 | CAMBIUM | May 13, 2026 | Registered | 019 Building Materials | Cambium Carbon PBC |
| 99820680 | CAMBIUM | May 13, 2026 | Registered | 020 Furniture | Cambium Carbon PBC |
| 99657393 | CAMBIUM | Feb 17, 2026 | Registered | 016 Paper & Printed Goods 042 Science & Technology | Cambium Learning Group, Inc. |
| 99451837 | CAMBIUM | Oct 20, 2025 | Registered | 041 Education & Entertainment | Cambium Learning Group, Inc. |
| 99138830 | CAMBIUM | Apr 15, 2025 | Registered | 009 Electronics & Software | Cambium Biomaterials, Inc. |
| 99138847 | CAMBIUM | Apr 15, 2025 | Registered | 009 Electronics & Software | Cambium Biomaterials, Inc. |
| 88221698 | CAMBIUM | Dec 07, 2018 | Pending | 012 Vehicles | BROOKS ENGLAND LIMITED |
| 79245293 | CAMBIUM | Jul 13, 2018 | Pending | 007 Machinery 009 Electronics & Software 037 Construction & Repair 040 Material Treatment 042 Science & Technology | Hans Hundegger Beteiligungs GmbH & Co. KG |
Weekly visibility reports showing how ChatGPT mentions CAMBIUM, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CAMBIUM trademark portfolio
What trademarks does CAMBIUM hold?
CAMBIUM holds 8 USPTO trademark filings across 4 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 42 (Science & Technology), Class 41 (Education & Entertainment). The most recent filings are registered to Cambium Carbon PBC.
How many trademarks does CAMBIUM have at the USPTO?
WikiTrademarks tracks 8 USPTO trademark filings attributed to CAMBIUM. The brand has been actively filing since July 2018. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CAMBIUM file most often?
CAMBIUM's most active class is NICE Class 9 (Electronics & Software), with 3 filings. The full distribution across all 4 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CAMBIUM trademark?
The most recent filings under the CAMBIUM mark are registered to Cambium Carbon PBC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CAMBIUM expanding into new categories?
The current WikiTrademarks Expansion Score for CAMBIUM is 55 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 CAMBIUM trademark filings?
Click the Watch Brand button at the top of this page to add CAMBIUM 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 CAMBIUM to another owner · Browse all NICE classes · Most valuable brands
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