Home
gpo.gov
govinfo.gov

e-CFR Navigation Aids

Browse

Simple Search

Advanced Search

 — Boolean

 — Proximity

 

Search History

Search Tips

Corrections

Latest Updates

User Info

FAQs

Agency List

Incorporation By Reference

eCFR logo

Related Resources

Electronic Code of Federal Regulations

We invite you to try out our new beta eCFR site at https://ecfr.federalregister.gov. We have made big changes to make the eCFR easier to use. Be sure to leave feedback using the Help button on the bottom right of each page!

e-CFR data is current as of October 22, 2020

Title 37Chapter IPart 11Subpart D → §11.307


Title 37: Patents, Trademarks, and Copyrights
PART 11—REPRESENTATION OF OTHERS BEFORE THE UNITED STATES PATENT AND TRADEMARK OFFICE
Subpart D—USPTO Rules of Professional Conduct


§11.307   Practitioner as witness.

(a) A practitioner shall not act as advocate at a proceeding before a tribunal in which the practitioner is likely to be a necessary witness unless:

(1) The testimony relates to an uncontested issue;

(2) The testimony relates to the nature and value of legal services rendered in the case; or

(3) Disqualification of the practitioner would work substantial hardship on the client.

(b) A practitioner may act as advocate in a proceeding before a tribunal in which another practitioner in the practitioner's firm is likely to be called as a witness unless precluded from doing so by §§11.107 or 11.109.

Need assistance?