District Court Affirmed in Rejection of Jury's Advisory Findings of Inequitable Conduct
The Two Sentence Summary: Despite an advisory jury finding of intent to deceive the patent office by withholding material information, the Federal Circuit affirmed a district court's decision to believe the patentee's witness in his testimony that the prior art was not material and not intentionally withheld. The panel also overturned a decision preventing plaintiffs from asserting infringement of a process claim where plaintiffs asserted the claim as soon as possible after compelling defendants to produce the evidence.
What They Were Fighting About: Plaintiffs sued for infringement on two patents (the '714 and '564 patents) for a composition and processes to produce pure lutein for dietary supplements. At a jury trial, the jury found that the asserted claims of the patents were not invalid but held that the claims of the ‘714 patent were not infringed and that claim 1 of the ‘564 patent was infringed under the doctrine of equivalents. The district court rejected defenses that both patents were unenforceable because of inequitable conduct.
Federal Circuit Holdings:
- An argument regarding obviousness that was omitted from the post-trial motion for judgment as a matter of law was waived and would not be considered on appeal.
- There was sufficient evidence for the jury to conclude that Claim 1 of the ‘714 patent was not obvious. The article that was relied on as the basis of an obviousness argument discussed the difficulty of removing impurities and therefore the jury could have concluded that creating the purified crystal claimed by the patent would not have been obvious.
- The panel affirmed the district court’s refusal to invalidate the ‘714 patent for inequitable conduct. The district court was within its discretion in determining that information withheld from the patent office was not highly material and that there was little evidence of intent to deceive. In reaching this conclusion, the district court relied on testimony from a scientist who said that he believed that the article withheld from the patent office was not material because it left impurities in the resulting protein and therefore made it unsuitable for human consumption, the goal of the patent.
- The district court was also affirmed in its decision to reject claims of invalidity due to inequitable conduct regarding earlier experiments that had produced lutein from propylene glycol. The district court found that there was no intent to deceive where it accepted testimony that the individuals who had performed these processes had not understood that lutein was formed as a result of these processes.
- The panel rejected a challenge to the district court's decision to award costs to plaintiff as the prevailing party. The district court had broad discretion in awarding costs and was not required to apportion costs between the parties even though not all claims of infringement were successful and the jury had accepted some of the defenses offered by defendant. The award of costs was not grossly disproportionate to the success so it was in the court’s discretion.
- The panel affirmed the jury’s finding of non-infringement with respect to a claim for a composition “substantially free” from other carotenoids. Non-infringement was a question of fact for the jury and was supported by the evidence. In an earlier ruling, the panel had construed the limitation “substantially free” to mean that it had less than 10% of other carotenoids. The evidence of the compositions of the defendant’s products presented to the jury supported a jury finding that this limitation was not met in defendant’s products. The jury also properly found that the accused products did not meet the claim limitations because they contained traces of toxic chemicals. The panel affirmed the district court’s conclusion that the phrase “traces of toxic chemicals” could not be construed to require the chemicals be present in amounts sufficient to be toxic. Rather, any trace of toxic chemicals such that in defendant’s products removed the product from infringement.
- The district court erred in accepting a recommendation by the magistrate judge to strike a supplemental expert report that supported plaintiff’s claim that defendant infringed a process claim in the ‘714 patent. Plaintiff was not late in presenting detailed evidence as to this claim because it had difficulty in getting information as to the process used by the defendant from defendant in discovery. Plaintiff only received the evidence after successfully compelling defendant to produce it. The panel remanded the case to the district court for the district court to allow plaintiff to present evidence of infringement of claim 5 of the patent.
- The panel affirmed the district court’s refusal to allow defendant to amend its counter claim to present unfair competition and false marking counter claims. After the district court indicated it intended to rule against these counter claims due to futility, the defendant had the burden of producing additional evidence on these counter claims but it failed to do so. Therefore, dismissal of these counter claims was proper.
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