SL holds 13 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 9 (Electronics & Software) with 5 filings. The WikiTrademarks Expansion Score is 64/100, moderate — the brand is steadily adding adjacent classes.
USPTO data refreshed June 14, 2026
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is SL 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
Weekly visibility reports showing how ChatGPT mentions SL, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: SL trademark portfolio
What trademarks does SL hold?
SL holds 13 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 9 (Electronics & Software), Class 35 (Advertising & Business), Class 41 (Education & Entertainment). The most recent filings are registered to St. Luke's Regional Medical Center, Ltd..
How many trademarks does SL have at the USPTO?
WikiTrademarks tracks 13 USPTO trademark filings attributed to SL. The brand has been actively filing since April 1998. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SL file most often?
SL's most active class is NICE Class 9 (Electronics & Software), with 5 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SL trademark?
The most recent filings under the SL mark are registered to St. Luke's Regional Medical Center, Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SL expanding into new categories?
The current WikiTrademarks Expansion Score for SL is 64 out of 100, which is moderate — the brand is steadily adding adjacent classes. 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 SL trademark filings?
Click the Watch Brand button at the top of this page to add SL 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 SL to another owner · Browse all NICE classes · Most valuable brands