RealD’s Patent Loss

It was during CinemaCon of 2014 when RealD served papers on MasterImage and Volfoni for infringement of its patents detailing polarization light doubling for 3D projection. MasterImage alone chose to fight the case. As often occurs in infringement cases, Masterimage filed inter partes review (IPR) with the US Patent and Trademark Office (USPTO) to invalidate RealD’s patents. During CinemaCon this year (2016), the USPTO issued its final written decision with regard to US patent 8,220,934 (‘934), crippling the patent by invalidating its most powerful claims, and reducing the novelty of the invention to a method not seen in actual products.

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