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

Magistrate Judge Boal denied SiOnyx’ motion for evidentiary sanctions against Hamamatsu Photonics and Hamamatsu Corp.SiOnyx and Harvard filed suit in 2015, asserting correction of inventorship, patent infringement, and breach of contract. In discovery, Hamamatsu produced summary spreadsheets of damages information without providing the underlying invoices and purchase orders. By order of October 2017, the court ordered Hamamatsu to provide that information and some additional sales data. SiOnyx asserts that Hamamatsu failed to produce the information prior to the taking of depositions of Hamamatsu personnel and provided inaccurate and shifting information relating to damages, and sought both to preclude Hamamatsu from relying on the summary data and to have sales figures taken from annual reports be deemed established pursuant to Rule 37. Citing the strong presumption of allowing cases to be decided on the merits, Judge Boal determined that the defendants’ conduct was no so extreme as to warrant evidentiary sanctions (which were the only sanctions sought by SiOnyx). Judge Boal next addressed a dispute as to the interpretation of the October order, which modified certain requests for sales data to exclude data on unaccused products. Hamamatsu chose to interpret this to require production only of documents expressly mentioning an accused product. Judge Boal corrected them and ordered production of all sales documents that pertained to an accused product, but did not find them to be in contempt of the October order.

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