# § 22. Printing of papers filed
The Director may require papers filed in the Patent and Trademark Office to be printed, typewritten, or on an electronic medium.
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**Source Credit**: (July 19, 1952, ch. 950, 66 Stat. 795; Pub. L. 93–596, § 1, Jan. 2, 1975, 88 Stat. 1949; Pub. L. 106–113, div. B, § 1000(a)(9) [title IV, §§ 4732(a)(10)(A), 4804(a)], Nov. 29, 1999, 113 Stat. 1536, 1501A–582, 1501A–589; Pub. L. 107–273, div. C, title III, § 13206(b)(1)(B), Nov. 2, 2002, 116 Stat. 1906.)
### Historical and Revision Notes
Based on Title 35, U.S.C., 1946 ed., § 12 (R.S. 488).
Language is changed and “or typewritten” is added after “printed”.
## Editorial Notes
### Amendments
2002— made technical correction to directory language of . See 1999 Amendment note below.
1999—, substituted “printed, typewritten, or on an electronic medium” for “printed or typewritten”.
, as amended by , substituted “Director” for “Commissioner”.
1975— substituted “Patent and Trademark Office” for “Patent Office”.
## Statutory Notes and Related Subsidiaries
### Effective Date of 1999 Amendment
Amendment by section 1000(a)(9) [title IV, § 4732(a)(10)(A)] of effective 4 months after , see section 1000(a)(9) [title IV, § 4731] of , set out as a note under .
### Effective Date of 1975 Amendment
Amendment by effective , see , set out as a note under , Commerce and Trade.