Federal Circuit Holds that Actual Knowledge of a Patent is not Required for Induced Infringement
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In a February 5 decision, the Federal Circuit clarified that an accused infringer need not have actual knowledge of a patent to be liable for inducement of infringement. SEB S.A. v. Montgomery Ward & Co., Inc., 2010 U.S. App. LEXIS 2454 (Fed. Cir. Feb. 5, 2010).
A little over three years earlier, an en banc panel of the Court held in DSU Med. Corp. v. JMS Co., 471 F.3d 1293, 1304 (Fed. Cir. 2006) that “[t]he requirement that the alleged infringer knew or should have known his actions would induce actual infringement necessarily includes the requirement that he or she knew of the patent.”
The DSU decision would appear to require that an accused infringer have actual knowledge of a patent as a basis for inducement liability. The SEB panel held, though, that DSU did not set out the “metes and bounds” of the knowledge-of-the-patent requirement. Since the record showed that the accused infringer had actual knowledge of the patent in suit, the Court noted, the DSU Court never addressed the scope of knowledge required to prove intent.
The “knowledge” requirement, SEB holds, is met not only by actual knowledge but also by “deliberate indifference” to the existence of a patent. The basis for the Court’s conclusion, though, is unclear. The Court simply notes that inducement requires the specific intent to encourage another’s infringement, and that in other contexts, specific intent includes “deliberate indifference.” This reasoning assumes that the specific intent and knowledge of the patent are not separate elements of proof of inducement. Rather, the Court conflates knowledge of the patent within the requirement of specific intent and concludes that specific intent may be proven not only through actual knowledge but also through deliberate indifference.
The Court also clarified that “deliberate indifference” is not synonymous with a constructive knowledge. Deliberate indifference, unlike constructive knowledge, may require a subjective determination that a defendant knew of and disregarded a risk. Thus, “deliberate indifference” appears to be an intermediate standard, somewhere between constructive and actual knowledge. In fact, the Court held that deliberate indifference “is not different from actual knowledge, but is a form of actual knowledge.”
In SEB, there was no direct evidence of actual knowledge of the patent, but there was adequate evidence that the defendant deliberately disregarded a known risk that the plaintiff had patented its product based on the following factors:
- the defendant purchased the plaintiff’s product in Hong Kong and copied it but did not tell the counsel it hired to conduct a right-to-use study that it had done so, which was “highly suggestive” of deliberate indifference.
- the defendant’s president was well-versed in the U.S. patent system and understood the plaintiff to be cognizant of patent rights.
- the defendant produced no exculpatory evidence that it believed there were no patents covering the accused product.
The Court also left the door open to other ways of proving knowledge of a patent. For example, the Court suggested that constructive knowledge of a patent combined with “persuasive evidence of disregard for clear patent markings” may be sufficient.
