Sect. 3. Officers and employees
Sect. 4. Restrictions on officers and employees as to interest in patents
Sect. 6. Duties of Commissioner
Sect. 7. Board of Patent Appeals and Interferences
Sect. 9. Classification of patents
Sect. 10. Certified copies of records
Sect. 11. Publications
Sect. 12. Exchange of copies of patents with foreign countries
Sect. 13. Copies of patents for public libraries
Sect. 14. Annual report to Congress
Sect. 21. Filing date and day for taking action
Sect. 22. Printing of papers filed
Sect. 23. Testimony in Patent and Trademark Office cases
Sect. 24. Subpoenas, witnesses
Sect. 25. Declaration in lieu of oath
Sect. 26. Effect of defective execution
Sect. 31. Regulations for agents and attorneys
Sect. 32. Suspension or exclusion from practice
Sect. 33. Unauthorized representation as practitioner
CHAPTER 2. PROCEEDINGS IN THE PATENT AND TRADEMARK OFFICE
CHAPTER 3. PRACTICE BEFORE PATENT AND TRADEMARK OFFICE
CHAPTER 4. PATENT FEES