BIROX holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) 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 June 15, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
3 records| Date | From | To |
|---|---|---|
| Jan 26, 2026 |
CELANESE SPECIALTY PRODUCTS, INC.
|
MICROMAX (US) HOLDINGS LLC
IRVING, TEXAS
|
| Jan 25, 2026 |
CELANESE POLYMERS HOLDING, INC.
|
CELANESE SPECIALTY PRODUCTS, INC.
IRVING, TEXAS
|
| Jan 24, 2026 |
CELANESE MERCURY HOLDINGS INC.
|
CELANESE POLYMERS HOLDING, INC.
WILMINGTON, DELAWARE
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 72331110 | BIROX | Jun 27, 1969 | Abandoned | 001 Chemicals | MICROMAX (US) HOLDINGS LLC |
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FAQ: BIROX trademark portfolio
What trademarks does BIROX hold?
BIROX holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to MICROMAX (US) HOLDINGS LLC.
How many trademarks does BIROX have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to BIROX. The brand has been actively filing since June 1969. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does BIROX file most often?
BIROX's most active class is NICE Class 1 (Chemicals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the BIROX trademark?
The most recent filings under the BIROX mark are registered to MICROMAX (US) HOLDINGS LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is BIROX expanding into new categories?
The current WikiTrademarks Expansion Score for BIROX 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 BIROX trademark filings?
Click the Watch Brand button at the top of this page to add BIROX 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 BIROX to another owner · Browse all NICE classes · Most valuable brands
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