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Realtime Data LLC v. Echostar Corp.

United States District Court, E.D. Texas, Tyler Division

April 25, 2018

REALTIME DATA LLC D/B/A IXO, Plaintiff,
v.
ECHOSTAR CORPORATION, HUGHES NETWORK SYSTEMS, LLC, Defendants. Plaintiff's Proposal Defendants' Proposal Plaintiff's Proposal Defendants' Proposal Plaintiff's Proposal Defendants' Proposal Plaintiff's Proposal Defendants' Proposal Plaintiff's Proposal Defendants' Proposal Term/Phrase Agreed Construction

          MEMORANDUM OPINION AND ORDER

          JOHN D. LOVE, UNITED STATES MAGISTRATE JUDGE.

         This claim construction opinion construes the disputed claim terms in U.S. Patent Nos. 7, 358, 867 (“the '867 Patent”); 8, 502, 707 (“the '707 Patent”); 9, 054, 728 (“the '728 Patent”); and 8, 717, 204 (“the '204 Patent”). Plaintiff Realtime Data LLC (“Realtime” or “Plaintiff”) alleges that Defendants EchoStar Corp and Hughes Network Systems, LLC (collectively “Defendants”) infringe the '728 Patent, the '867 Patent, the '707 Patent, and the '204 Patent. Plaintiff filed an opening claim construction brief (Doc. No. 91), to which Defendants filed a responsive brief (Doc. No. 93), and Plaintiff filed a reply (Doc. No. 96). The Parties additionally submitted a Joint Claim Construction Chart pursuant to P.R. 4-5(d). (Doc. No. 99.) On April 5, 2018, the Court held a claim construction hearing. Upon consideration of the parties' arguments, and for the reasons stated herein, the Court adopts the constructions set forth below.

         OVERVIEW OF THE PATENTS

         Plaintiff alleges Defendants infringe certain asserted claims of the '728 Patent, the '867 Patent, the '707 Patent, and the '204 Patent. Plaintiff states that the '728 Patent, the '867 Patent, and the '707 Patent are part of the “content compression” family. (Doc. No. 91 at 2.) Plaintiff alleges that the “patents are directed to systems and methods of digital-data compression utilizing different techniques based on the specific content of the data.” Id. Plaintiff maintains that the patents utilize data within a data block and identify one or more parameters of the content of that data.

         The '728 and '707 Patents are entitled “Data Compression Systems and Methods.” The '728 Patent claim 1 is representative of the claims set forth:

1. A system for compressing data comprising;
a processor;
one or more content dependent data compression encoders; and
a single data compression encoder;
wherein the processor is configured:
to analyze data within a data block to identify one or more parameters or attributes of the data wherein the analyzing of the data within the data block to identify the one or more parameters or attributes of the data excludes analyzing based solely on a descriptor that is indicative of the one or more parameters or attributes of the data within the data block;
to perform content dependent data compression with the one or more content dependent data compression encoders if the one or more parameters or attributes of the data are identified; and
to perform data compression with the single data compression encoder, if the one or more parameters or attributes of the data are not identified.

         The '707 Patent claim 1 is representative of the claims set forth:

1. A method comprising: receiving a data block in a received form; performing a first compression technique comprising:
compressing said data block in received form with a first encoder to provide a first compressed data block, and compressing said first compressed data block with a second encoder to provide a second compressed data block; comparing said second compressed data block against a threshold, wherein said threshold is indicative of data expansion; and
providing said second compressed data block to a device, if no data expansion is determined to have occurred based on said comparing.

         The '867 Patent is entitled “Content Independent Data Compression Method and System.” Claim 1 is representative, and states:

1. A method comprising:
receiving as input a data stream comprising at least one data block;
compressing said data block with a plurality of encoders;
determining the encoder from said plurality of encoders that achieved the highest ...

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