In a recent case from the United States District Court for the Eastern District of Virginia, the district court granted defendants’ motion to limit damages for failure to mark for all but one of the patents-in-suit. Pursuant to 35 U.S.C. §287(a), a patentee must either mark a patented product or provide actual notice of infringement in order to recover damages. Section 287 can be satisfied either by constructive notice, accomplished by marking a product or packaging with the applicable patent number, or actual notice, such as sending a cease and desist letter or providing the alleged infringer with actual notice of infringement through another affirmative act.
Defendants filed a motion for judgment as a matter of law asserting that the plaintiff had failed to introduce sufficient evidence to support a finding that it was entitled to recover pre-suit damages because it failed to comply with the marking requirements of Section 287. Plaintiff argued that Section 287 did not apply because the defendants were aware of the patents and, therefore, had actual knowledge regardless of plaintiff’s failure to mark. The plaintiff also argued that with respect to one of the patents Section 287 did not apply because the plaintiff was only asserting method claims and not apparatus claims.
Continue reading