MN SF1321

Prohibits persons from sending written or electronic communications to Minnesota end users making bad faith claims of patent infringement

Defines bad faith patent infringement claims as including false statements about filed lawsuits, lack of current licensing rights, invalid or unenforceable patents, expired patents, or communications lacking sufficient identifying information about the claimant, patent, or infringing product or activity

Authorizes Minnesota Attorney General to seek injunctions and civil penalties up to $50,000 per violation, plus reimbursement for investigation costs and restitution to victims for legal and professional expenses

Exempts communications from patent owners engaged in substantial research or manufacturing, institutions of higher education, charitable organizations, technology transfer organizations, and patent infringement demands related to pharmaceutical and biological product approvals

Creates no private cause of action for violations; does not limit other legal remedies or restrict legitimate patent enforcement activities