After the court struck plaintiff’s damage expert’s report for failing to tie damages to the limited feature of the patented invention, the court permitted the plaintiff to submit a supplemental expert report. Once the supplemental expert report was served, AT&T again moved to exclude the plaintiff’s damage expert from the upcoming trial.
AT&T contended that the opinions in the Supplemental Report, organized around four alternative damages calculations presented in two sets of two, did not correct the defects in the original report because plaintiff’s expert (Parr) did not tie “his damages calculations to the value of the patented invention.” AT&T further argued that the calculations simply attempt to exclude certain non-infringing revenue from the royalty base and do not attempt to address apportionment at all, which runs afoul of the entire market value rule.
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