United States Code/Title 35/Chapter 2

'''Chapter 2. Proceedings in the Patent and Trademark Office'''


 * Section 21. Filing date and day for taking action
 * Section 22. Printing of papers filed
 * Section 23. Testimony in Patent and Trademark Office cases
 * Section 24. Subpoenas, witnesses
 * Section 25. Declaration in lieu of oath
 * Section 26. Effect of defective execution

2002
Pub. L. 107-273, div. C, title III, Sec. 13206(a)(5), Nov. 2, 2002, 116 Stat. 1904, substituted "Filing date and day for taking action" for "Day for taking action falling on Saturday, Sunday, or holiday" in item 21.

1975
Pub. L. 93-596, Sec. 1, Jan. 2, 1975, 88 Stat. 1949, substituted "Patent and Trademark Office" for "Patent Office" in chapter heading and in item 23.

1964
Pub. L. 88-292, Sec. 2, Mar. 26, 1964, 78 Stat. 171, added items 25 and 26.