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Title 37, Code of Federal Regulations

Quantity discounts apply for 20 or more copies. Please call for pricing.

This is an annual publication and features:

  • Usually ready to ship the first week of August each year.
  • This is the Rules and Regulations updated through June 30th of year published.
  • Smaller, more popular, 6"x9" format high-gloss laminated soft cover (very durable),
  • Contains comprehensive Table of Contents (not included by most other publishers),
  • Includes Complete PDF on CD-ROM,
  • Update Pamphlets available for a small fee and issue once or twice before new version.
  • Our updates make our 37-CFR the most current printed edition available, anywhere!
  • Update Pamphlets already issued ship with the current CFR at no additional cost.

The current edition, date of publication (month and year) along with availability and prices are listed on the Book Prices & Status page (1st button below) or go directly to one of the order forms with the Order Buttons (below center and right): 

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Cooperative Patent Classification System


In September 2014, the USPTO and KIPO (Korean IP Office) inked an agreement to work together on the CPC. KIPO will fully CPC classify all new patent applications and utility models, but no mention of back-file data. The CPC system is gaining wide acceptance. It definitely has the detail needed to replace the US system, and then some. We're still studying and learning the details, and the USPTO decision for the two year overlap (CPC/USC) makes more sense to us (it gives us more time, too. 1 year down, 1 to go). The EPO seems to have completed most, if not all of the their ECLA to CPC translations and CPC assignments, and unlike the ECLA data, the EPO's CPC data have been added to DOCDB for all countries they handle. We think it's a wonderful addition to the data, and our compliments and thanks go to the EPO!