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Patent
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Petitioner / Claimant (Plaintiff)
PHISON ELECTRONICS CORPORATION
Respondent / Defendant
Vervain, LLC
Dispute Summary
Phison Electronics has filed a post‑grant review petition seeking cancellation of all seven claims of Vervain’s ‘612 NAND flash memory patent, alleging lack of written description, indefiniteness, and obviousness. The petition relies on extensive prior‑art patents and technical literature covering hybrid SLC‑MLC flash systems.
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