Contract analysis

I. EXECUTIVE SUMMARY This memorandum analyzes Optiwave Semiconductor Corporation's ("OWS") entitlement to lost-profits damages under the four-factor framework established by the United States Court of Appeals for the Sixth Circuit in Panduit Corp. v. Stahlin Bros. Fibre Works, Inc., 575 F.2d 1152 (6th Cir. 1978), as subsequently adopted and refined by the Federal Circuit in a line of decisions spanning more than four

II. LEGAL FRAMEWORK A. The *Panduit* Four-Factor Test Under the Patent Act, 35 U.S.C. § 284, a prevailing patentee is entitled to "damages adequate to compensate for the infringement, but in no event less than a reasonable royalty for the use made of the invention by the infringer." The Federal Circuit has long recognized that lost profits, where proven, are the preferred measure of compensatory damages because they

1. Demand for the patented product;

2. Absence of acceptable non-infringing substitutes;

3. The patentee's manufacturing and marketing capability to exploit the demand; and

4. The amount of profit the patentee would have made. The Federal Circuit has consistently applied this framework in the decades since Panduit was decided. See, e.g., Rite-Hite, 56 F.3d at 1545; Crystal Semiconductor Corp. v. TriTech Microelectronics Int'l, Inc., 246 F.3d 1336, 1353 (Fed. Cir. 2001); BIC Leisure Prods., Inc. v. Windsurfing Int'l, Inc., 1 F.3d 1214, 1218 (Fed. Cir. 1993). The burden of proof rests squ

III. PANDUIT FACTOR ONE: DEMAND FOR THE PATENTED PRODUCT A. Overview of Market Demand The first Panduit factor requires OWS to demonstrate demand for the patented product. Panduit, 575 F.2d at 1156. This factor asks whether there is a market for the patented invention and whether the patentee actually sold products embodying the patented technology. The demand inquiry also encompasses whether the patented features —

IV. PANDUIT FACTOR TWO: ABSENCE OF ACCEPTABLE NON-INFRINGING SUBSTITUTES A. Legal Standard The second Panduit factor requires the patentee to demonstrate the absence of acceptable non-infringing substitutes. Panduit, 575 F.2d at 1156. The purpose of this inquiry is to establish "but for" causation: if acceptable non-infringing alternatives were available, customers who purchased the infringing product might have purc

1. Alternative 1: Indium Phosphide (InP)-Based Transceivers Several suppliers in the optical communications industry offer coherent transceivers based on indium phosphide ("InP") semiconductor technology as alternatives to silicon-photonics-based modules. InP technology has a long history in optical communications and remains in use for certain applications. Some market participants might suggest that InP-based trans

2. Alternative 2: Externally Modulated Laser (EML)-Based Transceivers Externally modulated laser ("EML")-based transceivers represent an older-generation technology that has been used in optical communications for decades, primarily in shorter-reach, lower-bandwidth applications such as metro and access networks. Analysis. EML-based modules typically do not achieve the per-lane bandwidth (400 gigabits per second and

3. Alternative 3: Other Silicon-Photonics-Based Transceivers (From Competitors Other Than OWS and Lumicore) In addition to OWS and Lumicore, at least two other companies — identified generically here pending completion of Dr. Keating's detailed market analysis — offer silicon-photonics-based transceivers in the 400G and 800G product categories. These competitors hold a combined market share of approximately 22% in th

4. Alternative 4: Lumicore's Own "Non-Infringing" Design-Around Lumicore may argue at trial that it could have designed around the asserted patents and still competed in the market, and that therefore OWS would not have captured the accused-product sales even in the absence of infringement. Under this theory, Lumicore would contend that a hypothetical non-infringing version of its products constitutes an "acceptable

V. PANDUIT FACTOR THREE: MANUFACTURING AND MARKETING CAPABILITY A. Legal Standard The third Panduit factor requires the patentee to demonstrate that it had the manufacturing capacity and marketing infrastructure to have made the additional sales that were diverted to the infringer by the infringement. Panduit, 575 F.2d at 1156. This factor serves a causal function: if the patentee could not have produced or sold the

VI. PANDUIT FACTOR FOUR: AMOUNT OF PROFIT A. Legal Standard The fourth and final Panduit factor requires the patentee to quantify the profit it would have made on the lost sales. Panduit, 575 F.2d at 1156. As discussed above in Section II.C, the relevant measure is incremental profit — the revenue the patentee would have earned minus the incremental or variable costs it would have incurred to produce and sell the add

VII. ADDITIONAL CONSIDERATIONS A. Price Erosion In addition to lost-volume profits — i.e., profits on sales that OWS lost entirely to Lumicore — OWS may also be entitled to recover profits lost due to price erosion on sales that OWS actually made. Price erosion occurs when the presence of an infringing competitor in the market forces the patentee to reduce its prices in order to retain customers and maintain market s