Realtime Adaptive Streaming LLC v. Cox Communications, Inc.

Case Overview — Realtime Adaptive Streaming LLC v. Cox Communications, Inc., No. 8:18-cv-00942 (C.D. Cal.)

Parties. Plaintiff Realtime Adaptive Streaming LLC is a patent-holding entity — a subsidiary/affiliate of Realtime Data LLC (d/b/a IXO), which it identified as its corporate parent in its Rule 7.1 disclosure filed in this case. Realtime does not practice the patents; co-defendants in the parallel campaign described it as "an entity that seeks to license an acquired patent portfolio without itself practicing any of the claims recited therein" (DISH Network 10-Q, May 2020, SEC EDGAR). Its litigation portfolio came out of the Realtime Data family of compression patents (the "Fallon" patents, naming James J. Fallon). Realtime's counsel here was the Los Angeles firm Russ August & Kabat (Marc A. Fenster, C. Jay Chung, Reza Mirzaie, Philip X. Wang, Brian D. Ledahl, Paul A. Kroeger). Defendant Cox Communications, Inc. is the Atlanta-based cable/broadband subsidiary of Cox Enterprises — the largest privately held U.S. telecom, serving roughly 6 million residential/business customers — and, as the Rule 7.1 certificate in this case noted, a wholly owned part of Cox Enterprises, Inc. Cox appeared through local counsel Erwin L. Cena and pro hac vice counsel Michael J. Turton, Mitchell G. Stockwell and Joshua H. Lee (the latter three are Kilpatrick Townsend & Stockton attorneys, though the filings themselves don't state the firm affiliation in the docket text I reviewed).

Accused technology. The complaint targeted Cox's video delivery services — specifically Cox Contour TV, Cox Contour Flex, and Cox Business TV packages — on the theory that Cox's adoption of the H.264/MPEG-4 AVC video compression standard (including profile-level choices such as CABAC vs. CAVLC entropy coding, HTTP Live Streaming, and Scalable Video Coding) practices the claimed "select a compressor based on a determined parameter" architectures. Realtime pointed to Cox's HD set-top receivers documented as supporting "MPEG-4 (H.264) up to HP@L4.0," and pleaded direct and induced infringement (Cox allegedly inducing customers' normal use of the accused services). (Compl. ¶¶ 10–27, reproduced in the RPX litigation document at insight.rpxcorp.com/litigation_documents/12934490.)

Patents asserted. The complaint pleaded three patents, even though the case metadata here lists only the '535: (1) U.S. Pat. No. 7,386,046, "Bandwidth Sensitive Data Compression and Decompression" (issued June 10, 2008) — tracking throughput of a data system (e.g., pending storage access requests) and switching to a faster compression routine when throughput drops below a threshold; (2) U.S. Pat. No. 8,934,535, "Systems and Methods for Video and Audio Data Storage and Distribution" (issued Jan. 13, 2015, from App. 14/033,245, claiming priority to a Feb. 13, 2001 provisional) — determining a parameter/attribute of an audio/video data block, selecting an "access profile," and compressing with asymmetric compressors; and (3) U.S. Pat. No. 9,769,477, "Video Data Compression Systems" (issued Sept. 19, 2017) — a bank of asymmetric encoders selected based on data parameters relating to communications-channel throughput. Complaint, Exs. A–C (Dkt. 1); claim text as construed in the parallel cases is set out in Realtime Adaptive Streaming LLC v. Netflix, No. 17-1692-CFC-SRF (D. Del.) and the D. Colo. Markman order in No. 1:17-cv-02097-RBJ (Dkt. 151).

Procedural posture and why the venue mattered. Filed May 31, 2018 in the Southern Division (Santa Ana, the "8" prefix), served June 25, 2018, and initially assigned to Judge Josephine L. Staton with Magistrate Judge Douglas F. McCormick. Within days it was pulled to Judge S. James Otero and Magistrate Judge Frederick F. Mumm under C.D. Cal. General Order 16-05 as related to Realtime's earlier Hulu case, No. 2:17-cv-07611-SJO (FFMx) (Dkt. 6-ish transfer order; see docket at portal.unifiedpatents.com/litigation/California%20Central%20District%20Court/case/8:18-cv-00942). That mattered because Realtime had just lost its bid to centralize a dozen suits before one judge: on August 1, 2018 the JPML denied its § 1407 motion, reasoning that the accused products varied defendant-by-defendant and that eight patents across three families did not warrant centralization, while encouraging informal coordination — In re Realtime Adaptive Streaming LLC Patent Litig., 326 F. Supp. 3d 1374 (J.P.M.L. 2018). The General Order 16-05 "related case" mechanism gave Realtime a de facto consolidation before Judge Otero in its home forum (its counsel is in L.A.) without MDL. Cox moved to dismiss on **

I'll research this case systematically. Let me start with several searches in parallel.

Let me get the full docket and outcome details.

Let me dig into the motion to dismiss and the joint dismissal, plus any Cox-filed IPR.

Realtime Adaptive Streaming LLC v. Cox Communications, Inc.

No. SACV 18-00942 SJO (FFMx) (C.D. Cal.) — Judge S. James Otero; Magistrate Judge Frederick F. Mumm

Bottom line

This case is closed. It lasted under four months — filed 2018-05-31 and dismissed with prejudice by joint stipulation on 2018-09-25 (Dkt. 32). There was no answer, no counterclaim, no Markman, no discovery of substance, no IPR stay, no trial, and no fee motion. The only substantive motion filed was Cox's Rule 12 motion, which was never decided because the parties stipulated out. The '535 patent was subsequently invalidated at the PTAB in two separate IPRs (2020), so the dismissal with prejudice is now academic as to that patent.

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Chronology

Caveat on Cox's motion: I could not retrieve the Dkt. 23 memorandum. Given that Realtime's counsel's contemporaneous filings describe the identical CoxNet/Netflix/Hulu defense playbook, the motion almost certainly raised 35 U.S.C. § 101 ineligibility of the Fallon-family patents under Rule 12(b)(6) (the Netflix motion of 2018-02-05 in D. Del. did exactly that, and the Hulu motion before Judge Otero did as well). I have not verified the grounds, and I am not asserting them as fact. No order ever issued on it.

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Key developments that never happened here (and why that matters)

• Answer / counterclaims: none. The "if any" language in the dismissal order confirms Cox never pleaded counterclaims — so there is no Cox declaratory-judgment judgment on validity or non-infringement, and no Rule 54 judgment.
• Markman: none. The only construction of '535 terms anywhere in the Realtime campaign came in the D. Colo. Sling/DISH case (Jan. 2019), which construed "'asymmetric' compression algorithm" as "execution time for compression and decompression differ significantly," "data block," and (for the '610 patent) "throughput of a communication channel" as "number of pending transmission requests." That order post-dates this dismissal.
• Stay pending IPR: none sought. The first '535 IPRs were not instituted until 2019-01-17, four months after this case ended.
• Discovery: no meaningful discovery. Realtime's later (Feb. 2021) service of discovery in the D. Colo. case that still defined "patents-in-suit" to

I'll research the docket and counsel for this case.

Counsel of Record — Plaintiff Realtime Adaptive Streaming LLC

Case: Realtime Adaptive Streaming LLC v. Cox Communications, Inc., No. 8:18-cv-00942 (C.D. Cal., filed May 31, 2018) (Otero, J.; Mumm, M.J.) — patent-in-suit: U.S. Pat. No. 8,934,535 (with '046 and '477 also pleaded in the complaint).

Bottom line

Plaintiff was represented exclusively by the Los Angeles patent boutique Russ, August & Kabat LLP ("RAK"), which acted as both lead and local counsel (no pro hac vice admissions were required on the plaintiff's side because the RAK team is C.D. Cal.-admitted). No in-house counsel for Realtime appears on the docket — consistent with Realtime being a patent-holding LLC whose disclosed parent is Realtime Data, LLC (Doc. 5, Corporate Disclosure Statement, filed 5/31/2018).

Attorneys

Sourcing and caveats

• The attorney-of-record list (Fenster, Wang, Mirzaie, Chung, Ledahl, Kroeger) is taken from the PACER-derived docket aggregations for this case number (UniCourt case page for 8:18‑cv‑00942; Patexia docket for the same case), and the complaint's own filer metadata identifies Fenster as the attorney who added the plaintiff (Doc. 1, entered 5/31/2018).
• I could independently confirm actual appearance/filing activity only for Fenster (Docs. 1–6, 12) and Chung (Docs. 26, 30). The Wang/Mirzaie/Ledahl/Kroeger entries rest on the docket's counsel list; I did not retrieve each individual Notice of Appearance for this case number, so their precise role designations should be treated as "of record" rather than verified-by-filing.
• Timothy T. Hsieh (RAK) appears for Realtime in the related Hulu (2:17‑cv‑7611) and Cisco (6:17‑cv‑591) suits but is not listed on the Cox docket — do not attribute him to this case.
• Nothing in this case was sealed as to counsel; the docket is public and the case is closed. Final disposition: the parties filed a joint motion to dismiss (Doc. 30), and Judge Otero entered an order of dismissal with prejudice as to plaintiff's claims on September 25, 2018 (Doc. 32), each side bearing its own fees and costs — so these attorneys are former counsel of record, not current.

Context worth noting for the '535 narrative

This case did not reach the merits: Cox moved to dismiss (Doc. 23, filed Aug. 15, 2018, briefing by Quinn Emanuel—Turton, Lee, Stockwell, with Erwin L. Cena as local counsel) and Realtime voluntarily dismissed with prejudice roughly three weeks later, on the heels of the § 101 rulings against the '535 patent in RAS v. Google (C.D. Cal., Oct. 25, 2018) and the parallel Netflix litigation. That outcome is consistent with the "co-pending matter, outcome not confirmed" placeholder in the existing case summary — it should now be updated to "dismissed with prejudice, Sept. 25, 2018 (Doc. 32), no merits ruling."

I'll research the docket and counsel appearances for this case.

Counsel of Record for Defendant Cox Communications, Inc.

Realtime Adaptive Streaming LLC v. Cox Communications, Inc., No. 8:18-cv-00942 (C.D. Cal.) — assigned to Judge S. James Otero, with Magistrate Judge Frederick F. Mumm. Complaint filed May 31, 2018, asserting U.S. Patent No. 8,934,535 (with related '046/'535-family claims per the complaint).

Cox's defense team came entirely from Kilpatrick Townsend & Stockton LLP ("KT"), with the Atlanta office running the case nationally and the firm's San Diego office acting as local counsel. All four attorneys below appear on the docket as counsel for Cox; three were admitted pro hac vice with the fourth designated local counsel of record.

Docket basis

• ECF No. 13 — Notice of Appearance adding Erwin L. Cena as counsel of record for Cox Communications, Inc. (filed July 9, 2018).
• ECF Nos. 16 / 19 — Application and order granting pro hac vice admission of Joshua H. Lee, designating Erwin L. Cena as local counsel.
• ECF Nos. 20 / 21 — Application and order granting pro hac vice admission of Michael J. Turton, designating Erwin L. Cena as local counsel.
• ECF Nos. 22 / 23 — Application and order granting pro hac vice admission of Mitchell G. Stockwell, designating Erwin L. Cena as local counsel.
• Docket also reflects a Scheduling Notice by Judge Otero in the same period.

(Sources: Unified Patents litigation docket mirror for No. 8:18-cv-00942, https://portal.unifiedpatents.com/litigation/California%20Central%20District%20Court/case/8:18-cv-00942; UniCourt docket abstract, https://unicourt.com/case/pc-db1-realtime-adaptive-streaming-llc-v-cox-communications-inc-[773596](/patent/773596); firm bios at kilpatricktownsend.com/ktslaw.com for Turton and Lee; PTAB papers in IPR2015-00635 designating Turton/Stockwell as Cox's lead and back-up counsel, https://ptacts.uspto.gov/ptacts/public-informations/petitions/[1461648](/patent/1461648).)

Caveats / sourcing limits

• No PACER docket sheet was directly retrieved. The appearance list above is reconstructed from the Unified Patents and UniCourt docket mirrors, whose Cox-specific entries are current only through roughly mid-2018 (UniCourt last refreshed 07/30/2018). Later substitutions, withdrawals, or additional appearances (including any Cox in-house counsel entering an appearance, or a change in local counsel after KT's San Diego office moved) would not be captured and should be verified against the live PACER docket.
• No sealing issue affects counsel identification — the appearance and pro hac vice orders are public; only substantive filings in this case may be under seal.
• Case outcome not confirmed. The '535 patent was held unpatentable in the Netflix/ARRIS/Comcast IPR2018-01169 final written decision, and a related petition (IPR2019-00684) was terminated; I found no reliable record of how, or whether, this C.D. Cal. action was terminated (dismissal, settlement, or stay). Do not assume the Kilpatrick team's engagement ended on any particular date.
• I did not find any Law360 or Reuters Legal coverage naming counsel in this specific docket; the attorney identifications above rest on the docket mirrors and firm/PTAB records rather than press reports.