CHEMEX holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) 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 12, 2026
Protect or track "CHEMEX"
Watch this name and we'll alert you when anyone files a similar mark.
Informational only, not a legal opinion. Consult a trademark attorney before filing or enforcing.
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is CHEMEX 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.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 79421269 | CHEMEX | Feb 27, 2025 | Pending | 040 Material Treatment | DONGSUNG CHEMICAL CO., LTD. |
| 90039800 | CHEMEX | Jul 07, 2020 | Pending | 011 Lighting & HVAC 021 Housewares | Chemex Corporation |
Weekly visibility reports showing how ChatGPT mentions CHEMEX, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CHEMEX trademark portfolio
What trademarks does CHEMEX hold?
CHEMEX holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC), Class 21 (Housewares), Class 40 (Material Treatment). The most recent filings are registered to DONGSUNG CHEMICAL CO., LTD..
How many trademarks does CHEMEX have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to CHEMEX. The brand has been actively filing since July 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CHEMEX file most often?
CHEMEX's most active class is NICE Class 11 (Lighting & HVAC), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CHEMEX trademark?
The most recent filings under the CHEMEX mark are registered to DONGSUNG CHEMICAL CO., LTD.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CHEMEX expanding into new categories?
The current WikiTrademarks Expansion Score for CHEMEX 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 CHEMEX trademark filings?
Click the Watch Brand button at the top of this page to add CHEMEX 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 CHEMEX to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about CHEMEX and help the next person researching it.