Apple has agreed to pay Ericsson royalties on the wireless devices it sells in settlement of a long-standing patent dispute.

Ericsson owns patents that it considers essential to the implementation of a number of mobile communications standards, including GSM, the 3G standard UMTS and LTE, used in 4G networks. While it has licensing agreements with other manufacturers of devices operating on these networks, a deal with Apple expired at the start of this year.

When negotiations to renew that deal broke down, Apple and Ericsson sued one another in the U.S. District Court for the Eastern District of Texas, Apple claiming that it did not infringe one of the key patents at issue, and Ericsson that Apple owed it for licenses for its entire standards-essential patent portfolio.

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