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Judge Andrews construes claims relating to telephone network technologies

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In a recent claim construction opinion, Judge Richard G. Andrews construed seven terms from U.S. Patent Nos. 7,012,916; 7,206,304; 7,903,641; 8,170,008; 8,189,565; 8,204,046; and 8,223,752 (collectively, the “Low Patents”), which each relate to “facilitating the integration of traditional telephone networks with computer networks.” Comcast IP Holdings I, LLC v. Sprint Communications Company et al., C.A. No. 12-205-RGA (D. Del. Aug. 16, 2013). Judge Andrews also construed three terms from an unrelated patent, U.S. Patent No. 6,873,694 (the “’694 Patent”), which teaches “systems and methods to optimize a telephony network.” Judge Andrews construed the following seven terms from the Low Patents:

– “switched telecommunication system I telecommunication system”
– “requesting . . . a communication to be set up through the switched telecommunication
system”
– “telecommunications system control apparatus”
– “URI I uniform resource identifier (URI) I universal resource identifier (URI) I universe
resource name (URN)”
– “DNS-type database system I DNS-type distributed database system”
– “Domain name system signaling”
– “A substantial portion of the number string”
Judge Andrews also construed the following three terms from the ’694 Patent:

– “Dial-up prompt [parameter]”
– “Telephony parameter”
– “Telephone usage of the telephony network”

Comcast IP Holdings I, LLC v. Sprint Communications Company et al., C.A. No. 12-205-RGA (D. Del. Aug. 16, 2…

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