Page:Roster of Registered U.S. Patent Attorneys 1903 (revised).pdf/6

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A power of attorney purporting to have been given to a firm or copartnership will not be recognized, either in favor of the firm or of any of its members, unless all its members shall be named in such power of attorney.

19. Substitution or association can be made by an attorney upon the written authorization of his principal; but such authori­zation will not empower the second agent to appoint a third.

20. Powers of attorney may be revoked at any stage in the proceedings of a case upon application to and approval by the Commissioner; and when so revoked the office will communicate directly with the applicant, or such other attorney as he may appoint. An attorney will be promptly notified by the docket clerk of the revocation of his power of attorney. An assignment of an undivided interest will not operate as a revocation of the power previously given; but the assignee of the entire interest may be represented by an attorney of his own selection.

Order No. 1271.-Hereafter no person except the applicant, the assignee whose assignment is of record, or the attorney of record will be permitted to have access to the file of any application, except as provided for under the interference rules, unless written authority from the applicant, assignee, or attorney, identifying the application to be inspected, is filed in the case to become a part of the record thereof, or upon the written order of the Commis­sioner, which will also become a part of the record of the case.­—[O. G., April 4, 1899.]

1, 1900.