RATIONAL holds 2 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 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 76647583 | RATIONAL | Sep 28, 2005 | Abandoned | 011 Lighting & HVAC | RATIONAL Aktiengesellschaft |
| 73531936 | RATIONAL | Apr 12, 1985 | Abandoned | 016 Paper & Printed Goods | INTERNATIONAL BUSINESS MACHINES CORPORATION |
Weekly visibility reports showing how ChatGPT mentions RATIONAL, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: RATIONAL trademark portfolio
What trademarks does RATIONAL hold?
RATIONAL holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 16 (Paper & Printed Goods), Class 11 (Lighting & HVAC). The most recent filings are registered to RATIONAL Aktiengesellschaft.
How many trademarks does RATIONAL have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to RATIONAL. The brand has been actively filing since April 1985. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does RATIONAL file most often?
RATIONAL'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 RATIONAL trademark?
The most recent filings under the RATIONAL mark are registered to RATIONAL Aktiengesellschaft. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is RATIONAL expanding into new categories?
The current WikiTrademarks Expansion Score for RATIONAL is 0 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 RATIONAL trademark filings?
Click the Watch Brand button at the top of this page to add RATIONAL 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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