"The PTAB's Sanctions Order explained that Longhorn improperly ignored the Board's alternative claim constructions discussed in the institution decisions, thereby limiting the scope of its 'obligatory disclosures to the Office and Petitioner.'"The U.S. Patent and Trademark Office's (USPTO's) Patent Trial and Appeal Board (PTAB) yesterday made public a Sanctions Order against a patent owner that resulted in the cancellation of all 183 claims of five patents challenged in separate inter partes review (IPR) proceedings.
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