Cease and Desist Letter Patent Infringement Template

CEASE AND DESIST: NOTICE OF PATENT INFRINGEMENT

Document Control

• Effective Date: [Date]
• Version: 1.0
• Jurisdiction/Scope: [Governing Jurisdiction/State/Country]
• Reference ID: [Case/File Reference Number]

LEGAL NOTICE AND DISCLAIMER

This document constitutes formal notice of potential patent infringement. It is prepared for internal corporate legal operations. It does not constitute a final judicial determination of infringement. The sender reserves all rights, remedies, and claims available under applicable patent statutes, including but not limited to seeking injunctive relief, damages for willful infringement, and recovery of attorney’s fees. This communication is provided without prejudice to the sender’s rights, all of which are expressly reserved.

1. PARTIES

• Patent Holder/Assignee: [Company Name], a [Entity Type, e.g., Delaware Corporation] having its principal place of business at [Address] ("Claimant").
• Recipient/Infringer: [Full Legal Name of Recipient/Company], having its principal place of business at [Address] ("Recipient").

2. INTELLECTUAL PROPERTY IDENTIFICATION

• Patent(s) at Issue: United States Patent No(s). [Insert Patent Number(s)] ("the Patent(s)"), titled [Insert Patent Title(s)], issued on [Date(s)].
• Accused Product/Service: The product or service identified as [Insert Name of Accused Product/Service/Method] ("the Infringing Product").

3. OPERATIVE CLAUSES

1. Notice of Infringement: Claimant is the owner of all right, title, and interest in and to the Patent(s). Claimant has determined that Recipient’s unauthorized manufacture, use, sale, offer for sale, or importation of the Infringing Product infringes one or more claims of the Patent(s), specifically including but not limited to Claim(s) [Insert Claim Numbers].
2. Demand for Cessation: Recipient is hereby commanded to immediately cease and desist all unauthorized activities related to the Infringing Product, including but not limited to, the direct or indirect sale, marketing, distribution, or manufacture of the Infringing Product within the jurisdiction.
3. Preservation of Evidence: Recipient is hereby placed on notice to preserve all documents, communications, electronic data, and financial records pertaining to the development, marketing, and sales volume of the Infringing Product, as such materials are subject to discovery in potential litigation.
4. Demand for Accounting: Recipient shall provide, within [Number, e.g., 10] business days, a written report detailing: (a) total units sold, (b) gross revenue generated, and (c) all entities involved in the supply chain of the Infringing Product.
5. Requirement for Response: Failure to provide a substantive response by [Deadline Date] will be interpreted as a willful disregard of Claimant’s rights, which may compel Claimant to pursue all available legal remedies, including seeking an injunction and enhanced damages for willful infringement.

4. EXECUTION BLOCK

Claimant Signature:

[Name of Authorized Signatory]
[Title, e.g., General Counsel/IP Director]
[Company Name]
Date: [Date]

5. EXECUTION AND ENFORCEMENT GUIDE

1. Verify Infringement: Before issuance, obtain a formal "Claim Chart" from your technical team or outside counsel mapping the specific elements of your patent claims to the features of the Infringing Product.
2. Delivery Protocol: Send via Certified Mail (Return Receipt Requested) or a reputable courier (FedEx/UPS) to the Recipient’s Registered Agent for Service of Process. Retain the tracking/delivery receipt as proof of notice.
3. Strict Compliance Monitoring: Upon the expiration of the response deadline, immediately conduct a follow-up market audit (e.g., test purchases or website monitoring) to verify if the infringement has ceased.
4. Counsel Escalation: Should the Recipient fail to comply or provide a satisfactory response by the deadline, transition the file to litigation counsel to prepare a draft Complaint for Patent Infringement to be filed in the appropriate Federal District Court.