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E. I. DU PONT DE NEMOURS POWDER CO. v. MASLAND , 244 U.S. 100 (1917)

U.S. Supreme Court

E. I. DU PONT DE NEMOURS POWDER CO. v. MASLAND , 244 U.S. 100 (1917)

244 U.S. 100

E. I. DU PONT DE NEMOURS POWDER COMPANY and Du Pont Fabrikoid Company, Petitioners,
v.
WALTER E. MASLAND et al.
No. 210.

Argued May 4, 1917.
Decided May 21, 1917.

[244 U.S. 100, 101]   Messrs. Edwin J. Prindle, Warren H. Small, John P. Laffey, and Kenneth S. Neal for petitioners.

Messrs. George Wharton Pepper, John G. Johnson, and Frank Smith for respondents.

Mr. Justice Holmes delivered the opinion of the court:

This is a bill to prevent the defendant Walter E. Masland from using or disclosing secret processes the knowledge of which was acquired by the defendant while in the plaintiffs' employ. The defendant admits that he intends to manufacture artificial leather, to which some of the plaintiffs' alleged secret processes relate, but denies that he intends to use any inventions, trade secrets, or secret processes of the plaintiffs that he may have learned in any confidential relation, prefacing his denial, however, with the averment that many of the things claimed by the plaintiffs are well known to the trade. A preliminary injunction was refused at first. 216 Fed. 271. But before the final hearing the defendant proposed to employ [244 U.S. 100, 102]   one or more experts and to make such disclosures to them as the preparation of the defense might require. Thereupon the district court issued a preliminary injunction against disclosing any of the plaintiffs' alleged processes to experts or witnesses during the taking of proofs, but excepting counsel, with leave to move to dissolve the injunction if occasion to consult experts arose. Later a motion to dissolve was denied and the hearing was continued for a decision by the appellate court. 222 Fed. 340. The circuit court of appeals reversed the decree. 140 C. C. A. 229, 224 Fed. 689. Before any further order was entered the writ of certiorari was granted by this court.

The case has been considered as presenting a conflict between a right of property and a right to make a full defense; and it is said that if the disclosure is forbidden to one who denies that there is a trade secret, the merits of his defense are adjudged against him before he has a chance to be heard or to prove his case. We approach the question somewhat differently. The word 'property' as applied to trademarks and trade secrets is an unanalyzed expression of certain secondary consequences of the primary fact that the law makes some rudimentary requirements of good faith. Whether the plaintiffs have any valuable secret or not the defendant knows the facts, whatever they are, through a special confidence that he accepted. The property may be denied, but the confidence cannot be. Therefore the starting point for the present matter is not property or due process of law, but that the defendant stood in confidential relations with the plaintiffs, or one of them. These have given place to hostility, and the first thing to be made sure of is that the defendant shall not fraudulently abuse the trust reposed in him. It is the usual incident of confidential relations. If there is any disadvantage in the fact that he knew the plaintiffs' secrets, he must take the burden with the good. [244 U.S. 100, 103]   The injunction asked by the plaintiffs forbade only the disclosure of processes claimed by them, including the disclosure to experts or witnesses produced during the taking of proofs, but excepting the defendant's counsel. Some broader and ambiguous words that crept into the decree, seemingly by mistake, may be taken as stricken out and left on one side. This injunction would not prevent the defendant from directing questions that should bring out whatever public facts were nearest to the alleged secrets. Indeed, it is hard to see why it does not leave the plaintiffs' rights somewhat illusory. No very clear ground as yet has been shown for going further. But the judge who tries the case will know the secrets, and if, in his opinion and discretion, it should be advisable and necessary to take in others, nothing will prevent his doing so. It will be understood that if, in the opinion of the trial judge, it is or should become necessary to reveal the secrets to others, it will rest in the judge's discretion to determine whether, to whom, and under what precautions, the revelation should be made.

Decree reversed and case remanded for further proceedings in conformity with this opinion.

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