Many people have written about the recently decided patent infringement case (1:06-cv-00682-CMH-BRP) Verizon brought against Vonage in the Federal District Court for the Eastern District of Virginia
but no one has posted any details about which patents were infringed. So here goes...
The jury found that Vonage had infringed on the following Verizon patents.
6,104,711 - claim 20
15. A method comprising:
receiving a name translation request at a server coupled to a public packet data network;
executing a conditional analysis in response to the name translation request;
if the conditional analysis produces a first result, translating a name included in the name translation request into a first destination address;
if the conditional analysis produces a second result, translating the name included in the name translation request into a second destination address; and
transmitting a response message containing the first or the second destination address to a calling device for use in establishing communication at least partially through the public packet data network.
20. A method as in claim 15; wherein:
the first and second destination address includes a numeric Internet Protocol address; and
the second destination address further includes information relating to call routing via a public switched telephone network.
6,282,574 - claim 27
26. A method comprising:
receiving a name translation request at a server coupled to a public packet data network;
translating a name included in the request into a destination telephone number associated with a name included in the request; and
transmitting a reply containing both the destination telephone number and a packet data network address of a telephone gateway coupled between the public packet data network and a telephone network through the public packet data network to a calling device.
27. A method as in claim 26, wherein the address is an Internet Protocol address.
6,359,880 - claims 1, 6, 7, and 8
1. A method comprising: registering a wireless telephone terminal in a localized wireless gateway system;
transmitting registration data identifying the gateway system from the localized wireless gateway system to a home location register database through a public packet data communication network;
receiving a request from a calling computer coupled to the public packet data communication network for a call to the wireless telephone terminal;
in response to the request, accessing the home location register database and obtaining a packet data address for the localized wireless gateway system;
using the address to set up a voice communication through the public packet data communication network and the localized wireless gateway system between the calling computer and the wireless telephone terminal.
6. A method as in claim 1, wherein the public packet data communication network is a packet switched network.
7. A method as in claim 6, wherein the packet switched network comprises a system of interlinked data networks using TCP/IP protocol.
8. A method as in claim 7, wherein the system of interlinked data networks comprises the Internet.
Clint Ricker has a good analysis on his blog.