DSL holds 5 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 15/100, 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 DSL 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 |
|---|---|---|---|---|---|
| 99507444 | DSL | Nov 20, 2025 | Registered | 006 Metal Goods | Wei Zhang |
| 79425387 | DSL | Dec 10, 2024 | Registered | 003 Cosmetics & Cleaning 009 Electronics & Software 018 Leather Goods & Luggage 025 Clothing & Footwear | DIESEL S.p.A. |
| 90049516 | DSL | Jul 13, 2020 | Pending | 015 Musical Instruments | DREAM 601 INVESTMENT CORPORATION |
| 88419292 | DSL | May 07, 2019 | Pending | 035 Advertising & Business 040 Material Treatment 042 Science & Technology | Datasound Laboratories Ltd. |
| 88419315 | DSL | May 07, 2019 | Pending | 035 Advertising & Business 040 Material Treatment 042 Science & Technology | Datasound Laboratories Ltd. |
| 88288210 | DSL | Feb 04, 2019 | Pending | 037 Construction & Repair | DSL General Contractors, Inc. |
| 74711527 | DSL | Aug 04, 1995 | Abandoned | 009 Electronics & Software 016 Paper & Printed Goods | HEARING HEALTH CARE RESEARCH UNIT, UNIVERSITY OF WESTERN ONTARIO, THE |
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FAQ: DSL trademark portfolio
What trademarks does DSL hold?
DSL holds 5 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 35 (Advertising & Business), Class 40 (Material Treatment). The most recent filings are registered to Wei Zhang.
How many trademarks does DSL have at the USPTO?
WikiTrademarks tracks 5 USPTO trademark filings attributed to DSL. The brand has been actively filing since August 1995. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DSL file most often?
DSL's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DSL trademark?
The most recent filings under the DSL mark are registered to Wei Zhang. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DSL expanding into new categories?
The current WikiTrademarks Expansion Score for DSL is 15 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 DSL trademark filings?
Click the Watch Brand button at the top of this page to add DSL 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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