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Equitable Estoppel

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Following Law Finance Group, LLC v. Key (2023) 14 Cal.5th 932, this decision holds that the 100-day limit on petitioning to vacate a Mandatory Attorney Fee Arbitration award is subject to equitable estoppel and equitable tolling.  It also holds that unless there is already an action pending between the parties, the petition must be served in same manner as a… Read More

This decision refuses to overrule the assignor estoppel doctrine which prevents the assignor of a patent from challenging the patent's validity if doing so would contradict the assignor's express or implied warranty that the patent was good at the time the assignor sold it.  However, the estoppel does not apply when the assignment is made before a patent application is… Read More

On behalf of a putative class of prescription drug buyers, plaintiff alleged that Rite Aid reported inflated "usual and customary" drug prices to the pharmacy benefits managers which transmitted the inflated figures to plaintiffs' health insurers, causing the plaintiffs to pay higher than proper deductibles for the drugs.  This decision affirms an order denying Rite Aid's motion to compel arbitration. … Read More