The Commissioner exercises supervisory authority over the Patent and Trademark Office, and decides a variety of kinds of petitions.  These decisions are collected on the USPTO website:

• Accelerated Examination
• Maintenance Fee
• Revival
• Patent Term Extension or Adjustment under 35 USC 154
• Patent Term Extension (Restoration) under 35 USC 156
• Reexamination
• Filing Date
  • Section 1.10
  • Section 1.53
• Disclaimers
• Refunds
• Eighteen Month Publication
• Other