Chapter 2 — Proceedings in the Patent and Trademark Office
- §21 Filing date and day for taking action
- §22 Printing of papers filed
- §23 Testimony in Patent and Trademark Office cases
- §24 Subpoenas, witnesses
- §25 Declaration in lieu of oath
- §26 Effect of defective execution
- §27 Revival of applications; reinstatement of reexamination proceedings
- §28 Award of certificates to accelerate certain matters at the Patent and Trademark Office