Smooth-On, Inc.
121 live US trademarks, filing since 1998.
On the register as Smooth-On, Inc. · SMOOTH-ON INC.
Marks held on the register, by filing date. 2026 is year to date.
A multi-class mark counts once per class. Rank shown where the owner is in the class's top 50.
What Smooth-On, Inc. filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| P | 1, 17, 19 | Jul 17, 2025 | — | published | 99289481 |
| POLYGEM | 1, 17, 19 | Jul 17, 2025 | — | published | 99289534 |
| MAKER PRO PAINT | 2 | Sep 30, 2022 | — | registered Nov 21 | 97615239 |
| AUTOSTYLE | 16 | Apr 12, 2022 | — | registered Feb 7 | 97359520 |
| CHAVANT | 16 | Feb 11, 2022 | — | registered Jul 25 | 97263010 |
| ALIEN CLAY | 16 | Feb 11, 2022 | — | registered May 16 | 97263074 |
| SI-TAC | 26 | Apr 23, 2021 | — | registered Aug 22 | 90666835 |
| FUN SILICONE | 1, 17 | Apr 23, 2021 | — | registered Nov 8 | 90666911 |
| KX FLEX | 1, 17 | May 15, 2020 | — | registered Dec 8 | 88917583 |
| FABTONE | 2 | May 15, 2020 | — | registered Dec 8 | 88917900 |
A filing missed by the due date enters a six-month grace period, then the registration cancels.
Spellings are merged when they differ only in punctuation or legal suffix. Anything else stays separate rather than guessed.
About Smooth-On, Inc. trademarks.
How many trademarks does Smooth-On, Inc. have?
121 live US trademarks as of October 23, 2026: 117 registered and 4 pending applications. None have been filed in 2026 so far.
What does Smooth-On, Inc. sell, according to its trademarks?
Mostly chemicals (Class 1, 70 live marks). Also rubber & plastics (Class 17) and paints & coatings (Class 2).
Who owns the CAST-IT trademark?
CAST-IT is owned by Smooth-On, Inc.. It was registered on February 26, 2002 (Reg. No. 2542757) and is live. The same owner holds 120 other live US marks.
When did Smooth-On, Inc. first file a trademark?
Its oldest live US filing dates from 1998: ROCKET ROCK, filed March 26, 1998.
Know the morning after Smooth-On, Inc. files.
Watch this company in Thorgate and get an alert for every new application, registration, publication and lapse, with the opposition deadline already worked out. Or monitor your own marks for conflicts with theirs.
Data: USPTO trademark bulk files, processed nightly by Thorgate. Last rebuilt October 23, 2026. Counts cover the US federal register only, not state or foreign marks. Owner names are shown as recorded by the USPTO. This page reports public-record facts and dates and is not legal advice. For the official record of any mark, follow its serial number to USPTO TSDR.