SOLIDEN trademark opposition, Solidigm vs soliden LLC
Summary
USPTO Trademark Trial and Appeal Board instituted opposition proceeding TTAB91306373 where Solidigm Inc. opposes soliden LLC's trademark application for SOLIDEN. The opposition was filed and the filing fee was received on April 6, 2026. This administrative proceeding will determine whether soliden LLC may register the SOLIDEN trademark.
What changed
Solidigm Inc. filed a trademark opposition proceeding against soliden LLC before the USPTO Trademark Trial and Appeal Board, challenging the registration of the SOLIDEN trademark. The opposition was formally instituted with the payment of the required filing fee, initiating the administrative adjudication process.
The applicant soliden LLC will need to respond to the opposition according to TTAB procedural rules. Both parties should engage trademark counsel to navigate the opposition proceedings, including potential discovery and testimony periods. Trademark applicants facing opposition face the risk of losing their trademark rights if they fail to respond or prevail in the proceeding.
What to do next
- Monitor TTAB proceedings for updates
- Respond to notice of opposition if served as applicant
Source document (simplified)
Opposition: SOLIDEN
Opposition TTAB91306373-20260406 Kind: OPP Apr 06, 2026
Abstract
FILED AND FEE
Plaintiff: Solidigm Inc.
Defendant: soliden LLC
Mark at issue: SOLIDEN
Filing Date
2026-04-06
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