MAINSTAY holds 7 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 37 (Construction & Repair) 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 14, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99542940 | MAINSTAY | Dec 11, 2025 | Registered | 037 Construction & Repair 039 Transport & Storage | Rand ASC Holdings LLC |
| 99542957 | MAINSTAY | Dec 11, 2025 | Registered | 037 Construction & Repair 039 Transport & Storage | Rand ASC Holdings LLC |
| 99413034 | MAINSTAY | Sep 25, 2025 | Registered | 036 Insurance & Finance | Mainstay Labs Inc. |
| 86310907 | MAINSTAY | Jun 16, 2014 | Pending | 033 Wines & Spirits | Genoa Cellars LLC |
| 86068513 | MAINSTAY | Sep 18, 2013 | Abandoned | 003 Cosmetics & Cleaning | Diversey, Inc. |
| 85757863 | MAINSTAY | Oct 18, 2012 | Pending | 010 Medical Devices | Mainstay Medical, Limited |
| 74730414 | MAINSTAY | Sep 18, 1995 | Abandoned | 035 Advertising & Business 042 Science & Technology | Choice Hotels International, Inc. |
| 72223924 | MAINSTAY | Jul 21, 1965 | Abandoned | 001 Chemicals 019 Building Materials | MADEWELL PRODUCTS CORPORATION |
Weekly visibility reports showing how ChatGPT mentions MAINSTAY, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: MAINSTAY trademark portfolio
What trademarks does MAINSTAY hold?
MAINSTAY holds 7 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 37 (Construction & Repair), Class 39 (Transport & Storage), Class 10 (Medical Devices). The most recent filings are registered to Rand ASC Holdings LLC.
How many trademarks does MAINSTAY have at the USPTO?
WikiTrademarks tracks 7 USPTO trademark filings attributed to MAINSTAY. The brand has been actively filing since September 1995. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does MAINSTAY file most often?
MAINSTAY's most active class is NICE Class 37 (Construction & Repair), with 2 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the MAINSTAY trademark?
The most recent filings under the MAINSTAY mark are registered to Rand ASC Holdings LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is MAINSTAY expanding into new categories?
The current WikiTrademarks Expansion Score for MAINSTAY 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 MAINSTAY trademark filings?
Click the Watch Brand button at the top of this page to add MAINSTAY 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 MAINSTAY to another owner · Browse all NICE classes · Most valuable brands