SIDELINE SIBLING LEAGUE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 16 (Paper & Printed Goods) with 1 filings. The WikiTrademarks Expansion Score is 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 6, 2026
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Filing Velocity (24 Months)
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Nice Class Distribution
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99149603 | SIDELINE SIBLING LEAGUE | Apr 22, 2025 | Registered | 016 Paper & Printed Goods 025 Clothing & Footwear | Martelli Adventures |
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FAQ: SIDELINE SIBLING LEAGUE trademark portfolio
What trademarks does SIDELINE SIBLING LEAGUE hold?
SIDELINE SIBLING LEAGUE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 16 (Paper & Printed Goods), Class 25 (Clothing & Footwear). The most recent filings are registered to Martelli Adventures.
How many trademarks does SIDELINE SIBLING LEAGUE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SIDELINE SIBLING LEAGUE. The brand has been actively filing since April 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SIDELINE SIBLING LEAGUE file most often?
SIDELINE SIBLING LEAGUE's most active class is NICE Class 16 (Paper & Printed Goods), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SIDELINE SIBLING LEAGUE trademark?
The most recent filings under the SIDELINE SIBLING LEAGUE mark are registered to Martelli Adventures. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SIDELINE SIBLING LEAGUE expanding into new categories?
The current WikiTrademarks Expansion Score for SIDELINE SIBLING LEAGUE is 3 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 SIDELINE SIBLING LEAGUE trademark filings?
Click the Watch Brand button at the top of this page to add SIDELINE SIBLING LEAGUE 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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