Contract analysis

1. Purpose and Scope of Engagement Calderwood & Harkness LLP is pleased to confirm the terms of its engagement by Optiwave Semiconductor Corp., a Delaware corporation headquartered in San Jose, California, to represent OWS as lead litigation counsel in connection with the prosecution of a patent infringement action against Lumos Photonics, Inc. ("Lumos"), a Delaware corporation headquartered in Austin, Texas (Nasdaq:

2. Engagement Team The Firm has assembled an engagement team with extensive experience in complex patent litigation involving semiconductor and photonics technologies. The core members of the engagement team are identified below. Each member has been selected for their particular expertise in the technical and legal issues anticipated to arise in this matter. Responsible Partner: Alan Ngo, Partner, intellectual Prope

3. Fee Arrangement 3.1 Hourly Rates Professional fees for this engagement will be calculated on an hourly basis at the standard billing rates of the attorneys and other timekeepers assigned to the matter, subject to the volume discount described in Section 3.2 below. Time will be recorded in increments of one-tenth (0.1) of an hour. The standard billing rates for the initial members of the engagement team for calenda

4. Retainer OWS shall pay an initial evergreen retainer deposit in the amount of One Hundred Thousand Dollars ($100,000.00), payable upon execution of this engagement letter. Payment may be made by wire transfer in accordance with the instructions set forth in Appendix B enclosed herewith, or by check made payable to "Calderwood & Harkness LLP Client Trust Account." The retainer shall be deposited into and held in th

5. Costs and Disbursements In addition to professional fees for attorney and staff time, OWS will be responsible for the reimbursement of all reasonable out-of-pocket costs and disbursements incurred by the Firm in connection with this matter. Such costs and disbursements include, but are not limited to, the following: (a) Court filing fees, service of process costs, and other fees imposed by the court or required in

6. Billing and Payment The Firm will issue monthly invoices for professional fees and disbursements incurred during the preceding calendar month. Invoices will ordinarily be transmitted by the tenth (10th) business day of the month following the month in which the services were rendered or costs incurred. Each invoice will contain a reasonably detailed description of the services rendered, including: (i) the date on

7. Litigation Budget The Firm and the Client have discussed a preliminary litigation budget for this matter. Based on the Firm's assessment of the anticipated scope and complexity of the litigation, the parties have agreed upon a preliminary total budget of Four Million Two Hundred Thousand Dollars ($4,200,000.00) to cover all professional fees and costs through and including trial, as authorized by the OWS Board of

8. Conflicts of Interest 8.1 Conflict Check The Firm has conducted a comprehensive conflicts check in accordance with its standard internal procedures and the applicable California Rules of Professional Conduct (Rules 1.7 and 1.9), as well as the corresponding provisions of the American Bar Association Model Rules of Professional Conduct. The conflicts check encompassed a review of the Firm's current and former clien

9. Confidentiality All information provided by OWS to the Firm in connection with this engagement, whether in oral, written, or electronic form, will be treated as confidential and will be protected by the attorney-client privilege and/or the attorney work product doctrine, as applicable under governing law. The Firm will not disclose confidential client information to any third party without OWS's prior written cons

10. Communication and Reporting The Firm recognizes the importance of regular and transparent communication with the Client and its stakeholders throughout the course of this engagement. Accordingly, the Firm will provide regular status reports on the progress of the litigation to the following individuals: (a) Sandra Ellison, General Counsel, Optiwave Semiconductor Corp. — Ms. Ellison will serve as the primary point

11. Document Preservation The Firm will prepare and issue a comprehensive litigation hold notice to OWS promptly upon the commencement of the litigation (and, as appropriate, in anticipation of filing the complaint). The litigation hold notice will identify the categories of documents and electronically stored information that must be preserved, the custodians and data sources subject to the hold, and the specific pr

12. Termination Either party may terminate this engagement at any time upon written notice to the other party. The Client's right to terminate this engagement is absolute and unconditional. The Firm's right to terminate or withdraw from the engagement is subject to the Firm's obligations under the California Rules of Professional Conduct and any applicable rules of the court in which an appearance has been filed, inc

13. No Guarantee of Outcome The Firm will devote its best professional efforts and the full resources of its intellectual Property Group to achieve a favorable result for OWS in this litigation. However, the Client understands and acknowledges that the Firm makes no guarantees, warranties, or representations regarding the outcome of the litigation, including, without limitation, the likelihood of prevailing on any pa

14. Governing Law and Dispute Resolution This engagement letter shall be governed by and construed in accordance with the laws of the State of California, without regard to its conflict of laws principles. In the event of any dispute, claim, or controversy arising out of or relating to this engagement letter or the Firm's representation of OWS, including any dispute regarding fees, costs, or the quality of the Firm's

15. Acceptance and Execution We ask that OWS indicate its acceptance of and agreement to the terms and conditions set forth in this engagement letter by having an authorized representative of OWS sign in the space provided below and return an executed copy to the Firm. An executed copy may be delivered by hand, by electronic mail (in PDF format), or by overnight courier to the undersigned at the address set forth in