Status report
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The official USPTO status record for ELSA, serial 73410946, as a dated PDF. One price, one document, delivered in about a minute.
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Trademark Status Report
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The USPTO's own status record for this mark, on one dated page.
- Current status with a plain-English verdict
- Owner, classes, filing basis, and every key date
- The mark as it appears on the federal record
- Every prosecution event, filing to today
- Source-cited with the exact retrieval date
Built from the USPTO's TSDR record. Assignment chain of title and TTAB proceeding files sit in separate USPTO systems and are not included.
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◆ TRADEMARKCHECKER.AITRADEMARK STATUS REPORT
ELSASerial 73410946 · Principal Register
Dead · Expired
Owner: SCHERING AKTIENGESELLSCHAFT
Class 001 -
Filed Jan 26, 1983
Registered Jun 25, 1985
The record shows that the “ELSA” mark, owned by Schering Aktiengesellschaft, is no longer active – it was cancelled for failure to renew and is listed as dead/expired, with the last meaningful status event being the Section 8/Section 9 cancellation on Jan 26 2007. The registration covered only Class 001 goods described as “biochemicals, namely, medical diagnostic reagents for in‑vitro laboratory use,” so a similar name would raise the closest record‑based concern if you are offering comparable diagnostic chemicals or related laboratory products. The record does not give Schering control over every possible use of the word “ELSA” in other fields, and because the mark was on the Principal Register (not the Supplemental Register) there is no examination sequence to explain. The prosecution history contains no oppositions, cancellations beyond the renewal lapse, or other enforcement actions, so the supplied history shows none. I'd treat this as a modest concern only if you plan to operate in the same biochemical diagnostic space.
Full event history, owner details, and verdict inside.
The way I'd use it, honestly, is as the thing you attach when a bank, a marketplace, or a co-founder asks "are we clear on the name". It answers in one page.