The suit, filed in the US District Court for the Middle District of Florida, alleges that FIS infringes on Fiserv’s patents when it provides customers with certain financial and payment solutions, including FIS’s Payment Manager products.

Fiserv said that it has devoted significant resources developing and maintaining an extensive intellectual property portfolio and has a responsibility to protect its intellectual property from further infringement and exploitation.

FIS is a provider of banking and payments technologies and offers financial institution core processing, card issuer and transaction processing services.

Fiserv is a provider of financial services technology solutions, including electronic commerce systems and services, such as transaction processing, electronic bill payment and presentment.