DIOLEN 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 10/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed November 10, 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 |
|---|---|---|
| Oct 7, 2016 |
POLYESTER HIGH PERFORMANCE GMBH
|
PHP FIBERS GMBH
OBERNBURG
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 72229910 | DIOLEN | Aug 23, 1965 | Abandoned | 001 Chemicals 003 Cosmetics & Cleaning 004 Lubricants & Fuels 017 Rubber & Insulation 018 Leather Goods & Luggage 019 Building Materials 022 Ropes & Textiles 031 Fresh Produce & Agriculture 007 Machinery 012 Vehicles 010 Medical Devices 025 Clothing & Footwear 026 Lace & Embroidery 024 Fabrics 027 Carpets & Rugs 023 Yarns & Threads | PHP FIBERS GMBH |
Weekly visibility reports showing how ChatGPT mentions DIOLEN, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DIOLEN trademark portfolio
What trademarks does DIOLEN hold?
DIOLEN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals), Class 3 (Cosmetics & Cleaning), Class 4 (Lubricants & Fuels). The most recent filings are registered to PHP FIBERS GMBH.
How many trademarks does DIOLEN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DIOLEN. The brand has been actively filing since August 1965. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DIOLEN file most often?
DIOLEN'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 DIOLEN trademark?
The most recent filings under the DIOLEN mark are registered to PHP FIBERS GMBH. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DIOLEN expanding into new categories?
The current WikiTrademarks Expansion Score for DIOLEN is 10 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 DIOLEN trademark filings?
Click the Watch Brand button at the top of this page to add DIOLEN 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 DIOLEN to another owner · Browse all NICE classes · Most valuable brands
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