PROTEK-SORB "121" 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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Sign in to claimHow is PROTEK-SORB "121" filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
3 records| Date | From | To |
|---|---|---|
| Feb 2, 2026 |
WILMINGTON TRUST, NATIONAL ASSOCIATION
|
W. R. GRACE & CO.-CONN.
COLUMBIA, MARYLAND
|
| Jan 29, 2026 |
W. R. GRACE & CO.- CONN.
ADVANCED REFINING TECHNOLOGIES LLC
|
WILMINGTON TRUST, NATIONAL ASSOCIATION,...
WETHERSFIELD, CONNECTICUT
|
| Feb 4, 2014 |
W.R. GRACE & CO.-CONN.
|
GOLDMAN SACHS BANK USA, AS THE COLLATERA...
NEW YORK, NEW YORK
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 71627049 | PROTEK-SORB "121" | Mar 26, 1952 | Abandoned | 001 Chemicals | W.R. GRACE & CO.-CONN. |
Weekly visibility reports showing how ChatGPT mentions PROTEK-SORB "121", where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: PROTEK-SORB "121" trademark portfolio
What trademarks does PROTEK-SORB "121" hold?
PROTEK-SORB "121" holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to W.R. GRACE & CO.-CONN..
How many trademarks does PROTEK-SORB "121" have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PROTEK-SORB "121". The brand has been actively filing since March 1952. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PROTEK-SORB "121" file most often?
PROTEK-SORB "121"'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 PROTEK-SORB "121" trademark?
The most recent filings under the PROTEK-SORB "121" mark are registered to W.R. GRACE & CO.-CONN.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PROTEK-SORB "121" expanding into new categories?
The current WikiTrademarks Expansion Score for PROTEK-SORB "121" 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 PROTEK-SORB "121" trademark filings?
Click the Watch Brand button at the top of this page to add PROTEK-SORB "121" 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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