FSK holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) 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 25, 2026
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is FSK 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 |
|---|---|---|---|---|---|
| 99146769 | FSK | Apr 21, 2025 | Pending | 017 Rubber & Insulation | GOOD CAR BON FILM OPTICS CO., LTD. |
| 79291012 | FSK | Jun 09, 2020 | Pending | 006 Metal Goods 007 Machinery 011 Lighting & HVAC | FSK ROBVALVE |
| 86528848 | FSK | Feb 09, 2015 | Abandoned | 009 Electronics & Software | Walker Products |
Weekly visibility reports showing how ChatGPT mentions FSK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: FSK trademark portfolio
What trademarks does FSK hold?
FSK holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 17 (Rubber & Insulation), Class 6 (Metal Goods). The most recent filings are registered to GOOD CAR BON FILM OPTICS CO., LTD..
How many trademarks does FSK have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to FSK. The brand has been actively filing since February 2015. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does FSK file most often?
FSK's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the FSK trademark?
The most recent filings under the FSK mark are registered to GOOD CAR BON FILM OPTICS CO., LTD.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is FSK expanding into new categories?
The current WikiTrademarks Expansion Score for FSK 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 FSK trademark filings?
Click the Watch Brand button at the top of this page to add FSK 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 FSK to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about FSK and help the next person researching it.