SiOnyx, LLC et al. v. Hamamatsu Photonics K.K. et al. (15-cv-13488).

Magistrate Judge Boal granted in part and denied in part Plaintiff’s motion to compel in a case involving claims of patent infringement, correction of inventorship and breach of contract. With respect to requests relating to customer identification information, she determined such information was relevant to infringement and damages, as well as to the breach of the non-disclosure agreement alleged, but limited the scope of the interrogatories to exclude communications with third parties who were not customers, potential customers, or distributors, and limited the subject of the communications to the accused products.  Similarly, Judge Boal allowed the motion to compel sales information that underlies the summary spreadsheets produced by the defendants, but limited other requests that sought “all documents and things pertaining to” requests and requests seeking sales information on non-accused products as overly broad – “[c]ourts may find requests overly broad when they are couched in such broad language as to make arduous the task of deciding which of numerous documents may conceivably fall within their scope.”  Finally, Judge Boal denied requests for information on each named inventor’s contribution to the specification and drawings of the disputed patents, finding that, as the inventorship dispute focusses on the claims, evidence on contributions to the specification is not proportional to the burdens imposed by the request.

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