See Bruce B. Wilson, Deputy Assistant Attorney Gen., Remarks before the Fourth New England Antitrust
Conference, Patent and Know-How License Agreements: Field of Use, Territorial, Price and Quantity
Restrictions (Nov. 6, 1970).
The "Nine No-Nos" were:
(1) tying the purchase of unpatented materials as a
condition of the license,
(2) requiring the licensee to assign back subsequent patents,
(3) restricting the right
of the purchaser of the product in the resale of the product,
(4) restricting the licensee's ability to deal in
products outside the scope of the patent,
(5) a licensor's agreement not to grant further licenses,
(6)
mandatory package licenses,
(7) royalty provisions not reasonably related to the licensee's sales,
(8)
restrictions on a licensee's use of a product made by a patented process, and<
(9) minimum resale price
provisions for the licensed products.