Distribution, Competition, and Antitrust / IP Law

The Nine “No-Nos” of Patent Licensing: Are You Committing a No-No?

Check the List of Potential "No-Nos"

I’m going to spend a fair amount of time in upcoming posts talking about various competition issues raised by patent licensing.

To kick off this series, here is a list of nine “no-nos” developed by Bruce Wilson, a former deputy assistant attorney general, in the 1970s.  The law has changed between then and now, and I’ll cover some of the changes in upcoming posts.  But the list remains a pretty good starting point — at least as to issues that may raise a yellow, if not a red flag.  So here it is:

  1. Tying the purchase of unpatented materials as a condition of a patent license.
  2. Requiring the licensee to assign back subsequent patents.
  3. Restricting the right of the purchaser of the patented 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.
  9. Minimum resale price provisions for the licensed products.

Are you committing one of these potential patent licensing no-nos?  If so, you may need to think through the issues in more detail.

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About Howard Ullman

Antitrust, competition, and IP law enthusiast.


  1. […] the second post in a series on the nine potential “no-nos” of patent licensing.  Click here for the prior […]

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