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Jeffrey Liang is an associate in the Intellectual Property Practice Group in the firm's Silicon Valley office.

With 6 lawsuits, 32 preliminary injunction actions, and over 20 PTAB proceedings, GREE and Supercell have been duking it out in the IP world, with millions of dollars in legal fees being spent in the process.[1] Most recently, the PTAB denied Supercell’s PTAB challenges to GREE patents in early September, while an Eastern District of Texas lawsuit went to verdict and found in favor of GREE on September 18th, awarding $8.5 million dollars in damages to GREE.[2]
Continue Reading Clash of Game Companies: Lessons Learned from GREE and Supercell Dispute

It is very common to defend against a claim of patent infringement by litigating in the district court and the PTAB in parallel. The most straightforward-way for the defendant to win is to persuade the PTAB that the asserted patent is invalid. But, that is becoming more difficult as Director Iancu pushes the PTAB to apply greater scrutiny to petitions in order to address patent owner criticism that the PTAB proceedings are unfair. However, a recent decision disposing of a non-practicing entity’s long-running litigation against Ubisoft highlights how a defendant that ultimately lost on an issue before the PTAB can use the loss to their advantage in district court.
Continue Reading Converting an IPR Loss into a District Court Win