Federal Court Resurrects 25% Rule of Thumb to Calculate Ongoing Royalty

Business Valuation UpdateVol. 17 No. 11
Legal and Court Case Update
November 2011

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intellectual property
economic damages & lost profits
Douglas Dynamics v. Buyers Products Co.
3-09-cv-00261 (W.D. Wis.)
September 22, 2011
US
Federal Court
Wisconsin
United States District Court
[unnamed]
Conley

Summary

Federal district court relies on 25% rule of thumb as starting point to calculate prospective reasonably royalty rate for patent infringement damages, despite (and without citation to) the Federal Circuit’s rejection of the rule in Uniloc v. Microsoft.

See Also

Douglas Dynamics v. Buyers Products Co.

Full Text of Court Cases
September 22, 2011

Federal district court relies on 25% rule of thumb as starting point to calculate prospective reasonably royalty rate for patent infringement damages, despite (and without citation to) the Federal Circuit’s rejection of the rule in Uniloc v. Microsoft.

This article also appears in:
Business Valuation UpdateVol. 17 No. 11
The Comprehensive Guide to Economic Damages, Seventh Edition