Litigation

XR Communications, LLC v. Ruckus Wireless, Inc.

consolidated; stayed; superseded

2:17-cv-02961

Filed
2017-04-19

Patents at issue (3)

6611231
7062296
7729728

Summary

2017 Central District of California case asserting the '231 patent along with U.S. 7,062,296 and 7,729,728. It was consolidated and stayed, and was superseded by the N.D. Cal. action No. 3:18-cv-01992.

Case overview & background

Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.

I'll research this case thoroughly before drafting.

Let me dig into the specific patents, the transfer, and the N.D. Cal. proceedings.

Case overview and background

Parties. The plaintiff is XR Communications, LLC, doing business as Vivato Technologies — a Delaware LLC with its principal place of business listed in its complaints as 2809 Ocean Front Walk, Venice, California. It is a non-practicing patent-assertion entity: the patents it sues on came from Vivato, Inc., a smart-antenna Wi-Fi equipment startup that failed, and XR markets itself under the Vivato name and describes a portfolio of "over 17 issued patents." Stanford's NPE Litigation Database categorizes XR as a "failed startup" asserter, and the defendants put it more bluntly in the consolidated C.D. Cal. case: "Adopting the name of Vivato, Inc., a failed wireless technology company, XR attempts to resurrect Vivato, Inc.'s patent holdings by broadening claims drafted nearly two decades ago to cover Defendants' present-day technologies" (Defendants' opening claim construction brief). XR is represented by Russ August & Kabat LLP (Los Angeles; Reza Mirzaie, Marc A. Fenster, James Pickens, Brian Ledahl, Minna Chan, Adam Hoffman). The defendant, Ruckus Wireless, Inc., is an operating company and one of the best-known Wi-Fi infrastructure vendors — Sunnyvale, California-based maker of ZoneFlex/ZoneDirector/SmartZone access points and controllers, whose signature technology is BeamFlex, an adaptive/steered antenna array. That makes this an unusually on-the-nose NPE suit: the accused functionality is the defendant's core antenna-steering differentiator. Ruckus was acquired by Brocade in 2016 and then divested to ARRIS (ARRIS Solutions, Inc. becomes a co-defendant in the successor N.D. Cal. case); the business later passed to CommScope. Ruckus's side was handled by Ruyak Cherian LLP at the district-court stage and Duane Morris LLP (Matthew S. Yungwirth, Alice E. Snedeker) on appeal.

Accused technology and patents. The case targets Ruckus's 802.11ac (Wi-Fi 5) access points supporting multi-user MIMO — the ZoneFlex R710, R610, R510, H510, T710, T610 and C110 (with the R710 as the exemplar), which pair a Qualcomm QCA9994 Wi-Fi radio with Ruckus's steered antenna array. XR's theory is standard-compliance based: the products' implementation of 802.11ac channel sounding, VHT compressed beamforming feedback, spatial mapping, and Group ID Management frames is alleged to practice the claims. Three patents were asserted (29 claims across the ten-defendant wave): **U.S. 6,611,231

Key legal developments & outcome

Major rulings, motions, claim construction, settlements, and the present posture or final disposition.

I'll research this case across its C.D. Cal. origin, the superseding N.D. Cal. action, and the parallel PTAB proceedings.

Now let me dig into the C.D. Cal. transfer/stay proceedings and the IPR details.

Plaintiff representatives

Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

I'll research the docket and counsel for XR Communications in this case, then cross-check against the successor N.D. Cal. action.

Strong lead: Russ August & Kabat (L.A.) represented XR/Vivato in the C.D. Cal. and N.D. Cal. suits. Let me verify who actually appeared in this 2017 action.

Let me pull the actual docket and the complaint's signature block for this specific case number.

Bottom line

For the 2017 C.D. Cal. action (2:17-cv-02961-AG-JCG), plaintiff XR Communications, LLC d/b/a Vivato Technologies was represented by the Los Angeles patent boutique Russ August & Kabat ("RAK"), 12424 Wilshire Blvd., 12th Floor, Los Angeles, CA 90025. RAK was lead (and effectively sole) counsel of record; no separate local counsel or in-house counsel appears on the docket, and no other firm appears for plaintiff in this case. Noroozi PC, which handled the parallel IPRs, does not appear to have entered an appearance in this district court action (see caveats).

Counsel table — Plaintiff XR Communications, LLC dba Vivato Technologies

Attorney Role Firm / office Notes
Marc A. Fenster (CA SBN 181067) Lead counsel / partner — lead trial counsel for plaintiff across the consolidated C.D. Cal. Vivato cases Russ August & Kabat, Los Angeles, CA Named partner at RAK; longtime plaintiffs' patent lead (e.g., SPEX Technologies v. Apricorn, C.D. Cal. 2:16-cv-07349); argued the Vivato appeals at the Federal Circuit (XR Commc'ns v. ARRIS/Ruckus, No. 22-1125, and XR Commc'ns v. D-Link, Nos. 22-1785 et al.).
Reza Mirzaie (CA SBN 246953) Of counsel / partner — day-to-day lead; filed the substantive discovery and infringement-contentions papers in this case Russ August & Kabat, Los Angeles, CA ECF filer of record on plaintiff's sealed motion to compel and exhibits in this case (Dkt. 57, Oct. 16, 2017); drafted/argued the Vivato appeal briefs and the 2023 en banc-rehearing petition in No. 22-1125.
Kent N. Shum Of counsel — attorney of record on the venue-transfer opposition papers in this case Russ August & Kabat, Los Angeles, CA (at the time; since departed — described in 2023 Fed. Cir. filings as "formerly of Russ August & Kabat") ECF filer on plaintiff's sealed application and Statement re Further Venue Discovery opposing Ruckus's motion to dismiss/transfer to N.D. Cal. (Dkts. 64, 67, Oct. 19, 2017).
Christian Conkle (CA SBN 306374) Of counsel / associate Russ August & Kabat, Los Angeles, CA Handled scheduling and case-management filings in the consolidated C.D. Cal. Vivato group (e.g., Aug. 9, 2017 stipulation to continue the scheduling conference in the companion Cisco case, 2:17-cv-02953) and signed the Nov. 2, 2021 notice of appeal in the successor N.D. Cal. action.
Minna Y. Chan (SBN 305941), James N. Pickens (SBN 307474), Philip X. Wang (SBN 262239), Brian D. Ledahl Additional RAK counsel appearing on the Vivato matters and Federal Circuit appeals Russ August & Kabat, Los Angeles, CA Listed on RAK signature blocks and on the Federal Circuit appearances in Nos. 22-1125 / 22-1785. Not confirmed as appearing on the 2:17-cv-02961 docket itself — they appear on related Vivato and successor-case papers.

What the record actually shows

  • Docket entries in this case name no firm other than RAK for plaintiff. The PACER-derived entry lists show only RAK filers for XR Communications: Dkt. 57 (Oct. 16, 2017, sealed ex parte application re motion to compel discovery from David Salverson) credited to Mirzaie, Reza; Dkts. 64/67 (Oct. 19, 2017, sealed application and Statement re Further Venue Discovery) credited to Shum, Kent. See the document list at Patexia, XR Communications v. Ruckus Wireless, No. 2:17-cv-02961.
  • The lead-counsel designation changed during the litigation: a "Notice of Change of Lead Counsel" was filed by Marc Fenster on Aug. 11, 2017 in the companion C.D. Cal. case (2:17-cv-02953, XR v. Cisco), consistent with Fenster replacing Kent Shum as designated lead across the consolidated group (Plainsite docket, XR Communications v. Cisco Systems). Caveat: I could not pull the 2:17-cv-02961 docket sheet itself to confirm the identical notice was filed in this member case, so Fenster's appearance in this specific action is inferred from the consolidated-group filings and his undisputed role as lead counsel for plaintiff throughout.
  • This case was one of roughly a dozen-plus April 2017 Vivato/XR suits against Wi-Fi vendors, consolidated under No. 8:17-cv-00596-AG-JCG before Judge Andrew J. Guilford. RAK's signature block in the consolidated/related actions reads: "RUSS AUGUST & KABAT … Marc A. Fenster, Reza Mirzaie, Philip X. Wang, Christian Conkle, Minna Y. Chan, James N. Pickens … Attorneys for Plaintiff XR Communications, LLC dba Vivato Technologies" (see the Nov. 2, 2021 Notice of Appeal signature block reproduced at RPX Insight document 14485064).
  • The case was closed Mar. 30, 2018, and superseded by N.D. Cal. No. 3:18-cv-01992 (XR Communications v. Ruckus Wireless/ARRIS), where RAK again appeared for plaintiff, with the same core team.

Related counsel — NOT counsel of record in this case (flagged to avoid confusion)

  • Noroozi PC — Kayvan B. Noroozi, Joel P.N. Stonedale, William P. Rothwell, James A. Milkey, Karly Valenzuela (Santa Monica/Sugar Land, TX) were Patent Owner's counsel in the PTAB IPRs on the '231 patent (

Defendant representatives

Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

Bottom line

In the C.D. Cal. action (2:17-cv-02961‑AG‑JCG), Ruckus Wireless, Inc. was represented by a small team from RuyakCherian LLP (Berkeley/San Francisco), led by Korula T. "Sunny" Cherian. When the same dispute moved to the N.D. Cal. successor action (No. 3:18‑cv‑01992‑WHO, plus consolidated/related 3:18‑cv‑02736), the defense team carried over and later took in Richard L. Seabolt and Matthew S. Yungwirth. Yungwirth was also petitioners' counsel in the parallel IPR2018‑01016. Filings are not sealed, so counsel is identifiable from PACER/aggregator dockets; however, a few individual attorneys' current firm affiliations are not confirmed in the sources I could retrieve (flagged below).

1. C.D. Cal. — 2:17-cv-02961-AG-JCG (2017–2018)

Attorney Role Firm / office Note
Korula T. ("Sunny") Cherian (Cal. Bar No. 133697) Lead counsel for Ruckus Wireless, Inc. — signed the venue/transfer motion papers and discovery submissions (e.g., Dkts. 63, 65) RuyakCherian LLP, Berkeley, CA (also listed at the firm's San Francisco office) Founding partner; 25+ years of patent litigation; longtime Brocade/Foundry Networks defense counsel (e.g., Chrimar Systems v. Foundry Networks, E.D. Mich., summary judgment of invalidity affirmed by the Federal Circuit); MSEE, George Washington Univ.; former DOE project manager.
Don F. Livornese (Cal. Bar No. 125934) Of counsel / supporting defense counsel RuyakCherian LLP, Berkeley, CA Registered patent attorney; co-signed Ruckus papers with Cherian in the related XR/Ruckus and Brocade‑Ruckus matters.
Ronald R. Wielkopolski Supporting defense counsel (listed on the Ruckus defense team in the consolidated XR litigation) Listed with the Cherian/RuyakCherian defense group Registered patent practitioner with an EE/patent-prosecution background; exact firm affiliation at the relevant time not confirmed in the sources retrieved.
Amadou K. Diaw Associate / supporting defense counsel (listed on the Ruckus defense team in N.D. Cal. docket) Affiliation at the time not confirmed in retrieved sources (appears with the Cherian-led Ruckus team) No independently verified notable patent cases located.
Audra Lynn Thompson Counsel of record for Ruckus in the related C.D. Cal. action No. 8:18‑cv‑00192 (Arris/Ruckus Networks) and initially in N.D. Cal.; withdrew 4/24/2018 (N.D. Cal. Dkt. 134) Affiliation not confirmed (appears to have acted for the Brocade/ARRIS side of the corporate family) Handled early scheduling/extensions for Ruckus Networks and ARRIS Group (Dkts. 16–19 in 8:18‑cv‑00192).

Case-specific counsel conduct worth noting: Ruckus's counsel (per Vivato's later N.D. Cal. complaint, ¶ 9) represented at the January 22, 2018 hearing before Judge Guilford that Ruckus Wireless, Inc. "probably doesn't exist any more" and that "the company that exists is Ruckus Networks and Arris company," and reiterated that position by email on February 1, 2018, while declining to permit ARRIS entities to be added by amendment to 2:17‑cv‑02961. That representation is what prompted the new N.D. Cal. suit rather than an amended pleading in C.D. Cal. Office practice note: the firm name appears in the docket variously as RuyakCherian LLP (and later simply Cherian LLP) — the same practice, renamed.

2. N.D. Cal. successor — No. 3:18-cv-01992-WHO (and 3:18-cv-02736-WHO)

Counsel of record for Ruckus Wireless, Inc. per the N.D. Cal. docket:

Attorney Role Firm / office Note
Matthew S. Yungwirth Lead trial/litigation counsel — signed Ruckus's Answer and affirmative defenses (Dkt. 135) and Certificate of Interested Entities identifying ARRIS International plc and ARRIS US Holdings as parents (Dkt. 136), 4/25/2018 Firm affiliation not confirmed in the sources retrieved Also petitioners' counsel in IPR2018‑01016 (Ruckus/ARRIS/Netgear/Belkin v. XR), where he was admitted pro hac vice (Papers 8, 11, Ex. 1014) — i.e., he ran both the district-court defense and the PTAB challenge to the '231 patent.
Richard L. Seabolt Counsel of record; notice of appearance 4/24/2018 and substitution/withdrawal of Audra Thompson (Dkts. 133, 134) Reported as Duane Morris LLP, San Francisco Veteran IP litigator; took over the file on the eve of the 2018 case-management conference.
Korula T. Cherian Continued defense counsel of record in N.D. Cal. RuyakCherian/Cherian LLP, Berkeley/SF See above; argued the § 112 ¶ 6 "search receiver logic" indefiniteness position that ultimately prevailed at Markman (Dkt. 191, 9/1/2021) and on appeal.
Don F. Livornese, Ronald R. Wielkopolski, Amadou K. Diaw, Alice Egan Snedeker, Audra Lynn Thompson (until 4/24/2018) Supporting/of-record defense counsel listed on the N.D. Cal. docket As above Same caveat: individual firm affiliations beyond Cherian/Livornese are not verified.

Caveat: Audra Thompson's and Alice Snedeker's names appear in the aggregated PACER attorney lists for 3:18‑cv‑01992; I could not independently confirm which firm they were with or their precise roles, and I would not represent them as lead counsel. The Duane Morris attribution for Seabolt and the firm attribution for Yungwirth should be double-checked against the signature blocks on Dkts. 133–136 before being used in a brief or client memo — those documents were not retrievable in full here.

3. Parallel PTAB — IPR2018-01016 (filed 5/3/2018; institution denied 10/31/2018)

  • Petitioners: Ruckus Wireless, Inc.; ARRIS Solutions, Inc.; ARRIS Enterprises, LLC; Netgear, Inc.; Belkin International, Inc.
  • Petitioners' counsel of record: power of attorney and pro hac vice motion for Matthew S. Yungwirth (Paper 2 filed 5/3/2018; Papers 8, 11 and Ex. 1014 filed 7/16–8/6/2018).
  • Patent owner's counsel (for contrast): Noroozi PC — Joel P.N. Stonedale (lead, Reg. No. 76,924), Kayvan B. Noroozi, William P. Rothwell, later James A. Milkey and Karly Valenzuela.
  • The petition challenged claims 1–9 and 12 of the '231 patent over Agee (U.S. 6,359,923); the Board's Decision Denying Institution is Paper 17 (Oct. 31, 2018), with a refund request/notice at Papers 18–19 (June 2019).

4. Sources and verification notes

Not sourced / do not rely without checking: current firm of Matthew S. Yungwirth; firms of Amadou K. Diaw, Ronald R. Wielkopolski, Alice Egan Snedeker, and Audra Lynn Thompson; any in-house Ruckus/ARRIS counsel formally appearing of record in either district-court case (I found none — appearance appears to have been entirely through outside counsel).