laranger: You are correct, the free ride only applies to TDD.
4.2.2 Technically Necessary TDD Patents. To the extent not covered by Section above, IDC and ITC shall grant, and they shall cause any of their Affiliates to grant, to the Nokia Group a non-exclusive, non-transferable, personal, worldwide, royalty-free license to design, develop, manufacture and have manufactured (if substantially designed by Nokia), market, sell, distribute and use TDD Products under (i) the InterDigital TDD Patents, and (ii) those InterDigital Patents which would otherwise necessarily be infringed when complying with any TDD standard for Third Generation; provided, however, that such license shall only be with respect to that portion of the TDD Product performing TDD functionality and shall not apply to any non-TDD portion (e.g., FDD, GSM, etc) of a TDD Product.