The petitioner is plaint ill in a patent infringement suit begun by bill m equity against the Sun Oil Company, seeking the usual injunction and accounting. On July 21, 1945, the Judge Advocate General of the Army requested that trial therein and in a similar suit pending in New York, be postponed until after the war emergency, because the patent involved data, the disclosure of which might be inimical to the United States. Conforming to the request both causes were removed from the trial calendars in their respective courts. On May 21, 1946, the patent in suit expired. Thereafter, on August 27, the petitioner moved for leave to amend his petition, striking the prayer for equitable relief and accounting under R.S. § 4921, 35 U.S.C.A. § 70, and substituting therefor a prayer for money damages under R.S. § 4919, 35 U.S. C.A. § 67, and an order granting the motion was entered September 24.
On October 2, 1946, an amended complaint was filed seeking money damages, and five days thereafter the plahitill demanded a jury trial pursuant to Rule 38 o£ the Federal Rules of Civil Procedure, 28 U.S.C.A. following section 723c. On February 10, 1947, the Sun Oil Company, defendant, moved to strike the order granting petitioner’s jury demand. The motion was granted by the district judge on February 25, 1947. The writ of mandamus is sought to direct the court to vacate his order.
The problem is identical with that resolved by tiie Second Circuit Court of Appeals in Bereslavsky v. Caifey, District Judge,
The power of the court, in aid of its appellate jurisdiction, to issue the writ now prayed, is not and may not be questioned. Ex Parte Peru,
Section 4921 speaks in terms clearly equitable. As was said by the court in the Beaunit Mills case, supra [
The contention that the plaintiff in his amended complaint states no new issue, may be true, but the amended complaint states a different cause of action. In the one case an equitable remedy is sought and damages are but incidental to the main prayer for relief. In the other damages constitute the sole ground for the action. It is our view that the petitioner could not have demanded a jvsry trial at the time of the original pleading because the suit was then exclusively in equity, even though a right to trial by jury might subsequently have arisen upon an adjudication of validity and infringement. For an application of the principle that one does not, by nonaction, waive a right when there is no basis for choice, and where the elements from which selection must be made and which alone give it meaning, have not yet come into existence, see Gentsch v. Goodyear Tire & Rubber Co., 6 Cir.,
The writ will issue directing the respondent to vacate the order striking the jury demand.
