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Robocast, Inc. v. Microsoft Corporation

United States District Court, Third Circuit

January 24, 2014

Robocast, Inc., Plaintiff,
v.
Microsoft Corporation, Defendant.

MEMORANDUM ORDER

RICHARD G. ANDREWS, District Judge.

Before the Court is Defendant's Motion to Exclude Expert Testimony of Robert Sherwood (D.I. 331) and related briefing (D.I. 332, 360, 393). The Court heard oral argument regarding this motion on January 8, 2014. Mr. Sherwood is Robocast's expert on the subject of internet advertising rates. Microsoft contends that Mr. Sherwood's testimony should be excluded because it fails to meet the fit and reliability requirements for expert testimony.

In his report, Mr. Sherwood concluded that publishers of internet advertising on average charge a 100% premium for Automated Browsing System ("ABS") advertising over static advertising. (D.I. 333-1 at 13). Mr. Sherwood bases this conclusion on his analysis of publicly available rate cards, which disclose the "CPM" (cost per thousand views) that advertisers charge for static and dynamic ads.

Microsoft contends that Mr. Sherwood's opinions do not fit the case because the technology included in the "ABS" ads that Mr. Sherwood identified includes technology outside the scope of the asserted claims. Essentially, because the dynamic ads for which Mr. Sherwood analyzed rate data include technology different from the asserted claims, the research cannot form a reliable basis to form an opinion of damages for the technology at issue.

Whether expert testimony meets the fit requirement "depends in part on the proffered connection between the scientific research or test result to be presented and particular disputed factual issues in the case." In re Paoli R.R. Yard PCB Litig., 35 F.3d 717, 743 (3d Cir. 1994) (internal quotation marks and citations omitted). However, "the standard is not that high." Id. at 745. For instance, the Third Circuit held that testimony that PCBs cause liver cancer reasonably fit the case, even though none of the plaintiffs had liver cancer. Id. The court allowed the testimony because the "increased risk of liver cancer was probative of increased risk of other forms of cancer." Id. Here, Mr. Sherwood's analysis of "ABS" broader than the claimed technology does not render his testimony inadmissible. Knowing the premiums charged for dynamic advertisements will be helpful to the jury in determining the premiums that could have been charged for the technology at issue.

Microsoft's other fit argument is that Mr. Sherwood did not consider Microsoft's use of the asserted technology, nor the fact that Microsoft does not charge a premium over the static advertisement price. The fact that Microsoft does not charge a premium is not controlling. Just because Microsoft uses a different pricing model does not mean that Mr. Sherwood's analysis of the market is irrelevant to the accused infringement. Furthermore, whether or not Mr. Sherwood considered Microsoft's particular use of the technology does not negate his conclusion about what other advertisers charge for similar "ABS" advertisements. The extent to which those advertisements are actually similar can be addressed on cross-examination.

Microsoft's second argument is that Mr. Sherwood's methodology was flawed, and that he did not disclose the calculations of how he came to a 100% average CPM premium. Microsoft argues that Mr. Sherwood only relied on five rate cards, which is too small of a sample.[1] Microsoft also argues that what advertisers say they charge is different from what they actually charge. The fact that publishers might offer volume discounts or the fact that the sample size was very small does not negate the findings of the study. Of course, these factors may greatly diminish the weight of the study, something which can again be addressed on cross-examination, if not by competing evidence.

As for the transparency of his calculations, there are three sources of confusion. The first arises from the following statement in Mr. Sherwood's report:

In my examination, Internet advertising publishers, representing more than 20 different websites, charge a CPM premium fee for ABS advertising. Publishers charge a premium between 30% to 200% for ABS advertising. On average, publishers typically charge a 100% CPM premium for ABS advertising when compared to static ads.

(D.I. 333-1 at 13). What is unclear from the report is whether Mr. Sherwood based his average on the "more than 20 different websites, " or the six internet advertising publishers that he referenced in his report. At deposition, it became clear that Mr. Sherwood based this average on five of the six particular points that were mentioned. (D.I. 333-1 at 67-70).

The second source of confusion is how exactly Mr. Sherwood calculated the average premium when the rates were presented as ranges. At deposition, he testified that he averaged the upper and lower end of the range. (D.I. 333-1 at 65). Additionally, he went through his calculations again, ending up at a premium of 109%. (D.I. 363-6 at 2). While this number is slightly larger than the 100% Mr. Sherwood arrived at in his expert report, it is certainly within the error range implicit in such a small sample size.

Lastly, there is some confusion as to why Mr. Sherwood chose the particular numbers that he picked from the rate cards. For instance, Mr. Sherwood testified that he ignored rates for "rich media, " instead using rates for "premium rich media." (D.I. 333-1 at 64). This argument, however, is really just another attack on the fit of Mr. Sherwood's study to the technology at issue. While Mr. Sherwood's report was not as clear and precise as it could have been, the underlying data was present, and the mathematical calculations were readily ascertainable. Microsoft's expert has had ample opportunity to test Mr. Sherwood's conclusions. In my opinion, Mr. Sherwood used reliable data and reliable methodology.

Defendant's motion (D.I. 331) is hereby DENIED.


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