[Code of Federal Regulations]
[Title 37, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 37CFR10.92]

[Page 362]
 
              TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS
 
                         DEPARTMENT OF COMMERCE
 
PART 10--REPRESENTATION OF OTHERS BEFORE THE PATENT AND TRADEMARK OFFICE--Table of Contents
 
Sec. 10.92  Contact with witnesses.

    (a) A practitioner shall not suppress any evidence that the 
practitioner or the practitioner's client has a legal obligation to 
reveal or produce.
    (b) A practitioner shall not advise or cause a person to be secreted 
or to leave the jurisdiction of a tribunal for the purpose of making the 
person unavailable as a witness therein.
    (c) A practitioner shall not pay, offer to pay, or acquiesce in the 
payment of compensation to a witness contingent upon the content of the 
witness' affidavit, testimony or the outcome of the case. But a 
practitioner may advance, guarantee, or acquiesce in the payment of:
    (1) Expenses reasonably incurred by a witness in attending, 
testifying, or making an affidavit.
    (2) Reasonable compensation to a witness for the witness' loss of 
time in attending, testifying, or making an affidavit.
    (3) A reasonable fee for the professional services of an expert 
witness.