WESTLAKE holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 19 (Building Materials) with 2 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 21, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Aug 25, 2016 |
BANK OF AMERICA, N.A.
|
WESTLAKE POLYMERS LP
HOUSTON, TEXAS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 97494276 | WESTLAKE | Jul 08, 2022 | Pending | 019 Building Materials | Westlake Corporation |
| 97495318 | WESTLAKE | Jul 08, 2022 | Pending | 019 Building Materials | Westlake Corporation |
| 78629125 | WESTLAKE | May 12, 2005 | Abandoned | 001 Chemicals | WESTLAKE POLYMERS LLC |
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FAQ: WESTLAKE trademark portfolio
What trademarks does WESTLAKE hold?
WESTLAKE holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 19 (Building Materials), Class 1 (Chemicals). The most recent filings are registered to Westlake Corporation.
How many trademarks does WESTLAKE have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to WESTLAKE. The brand has been actively filing since May 2005. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does WESTLAKE file most often?
WESTLAKE's most active class is NICE Class 19 (Building Materials), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the WESTLAKE trademark?
The most recent filings under the WESTLAKE mark are registered to Westlake Corporation. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is WESTLAKE expanding into new categories?
The current WikiTrademarks Expansion Score for WESTLAKE 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 WESTLAKE trademark filings?
Click the Watch Brand button at the top of this page to add WESTLAKE 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 WESTLAKE to another owner · Browse all NICE classes · Most valuable brands
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