Aruba Networks, Inc. v. XR Communications, LLC d/b/a Vivato Technologies

I'll verify the underlying litigation, the patent's technical content, and the IPR linkage.

Now let me pin down the IPR outcome dates, the district court judgment, and the Federal Circuit affirmance.

Let me nail down the FWD/institution dates and Vivato's corporate history.

Case overview and background

The parties. The patent owner and real party in interest is XR Communications, LLC d/b/a Vivato Technologies — a licensing entity, not an operating company. Its patents came out of Vivato, Inc., a wireless startup founded around 2001 that built outdoor Wi-Fi base stations using phased-array "smart antennas" (its VT2210 802.11g base station formed six narrow beams from a panel antenna; the company's own datasheet advertised "a $100M industry leading patent portfolio in extended range wireless technologies"). Vivato, Inc. collapsed roughly six years after founding, and the defendants in the C.D. Cal. campaign told the court in 2017 that XR/Vivato "is not involved in the development or sale of any products or in the research and development of technology," but instead "owns and is attempting to exploit the value of patents belonging to a different company, Vivato, Inc., which collapsed ten years ago" (Joint Report/Defendants' statement, Dkt. 39 in No. 2:17-cv-02968, quoted at https://storage.courtlistener.com/recap/gov.uscourts.cacd.[675968](/patent/675968)/gov.uscourts.cacd.675968.39.0.pdf). The petitioner/defendant Aruba Networks, Inc. is the opposite: an enterprise Wi-Fi vendor (access points, controllers, management software) and a wholly owned subsidiary of Hewlett Packard Enterprise — a point Aruba itself confirmed to the PTAB in a related appeal ("the real party in interest is Aruba Networks, Inc., 'a wholly-owned subsidiary' of Hewlett Packard Enterprise Co."). So this is a classic operating-company-versus-PAE alignment, with Aruba and its Wi-Fi competitors (Cisco, Extreme, Netgear, Ruckus, Ubiquiti, D-Link, ASUS, Belkin, and others) on the same side.

Accused technology. XR accused Aruba's 802.11ac Wave 2 access points — principally the AP-325 — of infringement, mapping the claims onto standardized Wi-Fi beamforming and multi-user MIMO features rather than onto any Aruba-specific design: the phased-array/smart-antenna claim elements were mapped to the AP's antenna array and Qualcomm QCA9990 radio, and the "beam association"/"different beam" limitations to IEEE 802.11ac mechanisms such as Group ID Management frames, Membership Status bits, and VHT Compressed Beamforming feedback. (Complaint analysis for No. 2:17-cv-02945, https://ai-lab.exparte.com/case/dct/cacd/2:17-cv-02945/doc/analysis/1 — note this is a third-party, AI-generated claim chart, not the complaint itself, so treat the specific product/mapping details as indicative rather than established.) Across the ten coordinated C.D. Cal. suits, the defendants said Vivato had accused "over 130 individual products" spanning the industry's 802.11ac AP and router lines, and that the functionality at issue came from "the IEEE 802.11 standards body" and "Wi-Fi chipset manufacturers" — i.e., the case was really about whether the patents read on standardized beamforming.

Patents asserted. Three patents from one family were in suit in the underlying litigation, all claiming priority to roughly November 2002: (1) U.S. 7,729,728, "Forced Beam Switching in Wireless Communication Systems Having Smart Antennas" — a base station with a phased-array antenna transmits multiple directed beam downlinks, receives an uplink transmission from a client, decides whether the client should move to a different beam, then permits or forces re-association, including "actively probing" the client to elicit a response; claim 16 is representative. (2) U.S. 7,062,296, the '728 patent's parent, with claims to a

I'll research this case thoroughly, tracking both the PTAB IPR docket and the underlying district court litigation.

Good start. Now let me pin down the PTAB docket specifics and the Aruba district court docket.

Now let me nail down the FWD date, institution date, and the parallel '728 IPRs.

Preliminary note on party alignment (important)

IPR2018-00726 is not a district-court infringement suit — it is an inter partes review at the PTAB, and the caption in your metadata runs Aruba Networks, Inc. (Petitioner) v. XR Communications, LLC d/b/a Vivato Technologies (Patent Owner). In the parallel C.D. Cal. litigation the roles are reversed: XR Communications, LLC v. Aruba Networks, Inc., No. 2:17-cv-02945-AG-JCG (C.D. Cal., filed Apr. 19, 2017), where XR/Vivato is plaintiff and Aruba is defendant/counterclaimant. Because the question asks for "plaintiff(s)," I read it as the party that initiated this proceeding — Aruba — and give its PTAB counsel of record, with the parallel district-court and opposing counsel listed separately so there is no confusion.

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Counsel of record for Aruba Networks, Inc. (Petitioner / plaintiff-side party) — IPR2018-00726

Source: Petitioner's Power of Attorney (Mar. 1, 2018); Petitioner's Updated Mandatory Notices (Oct. 1, 2018); Patent Owner's Updated Mandatory Notices service list (Feb. 28, 2019); all filed in IPR2018-00726 and available via PTAB's PTACTS portal (e.g., https://ptacts.uspto.gov/ptacts/public-informations/petitions/[1508136](/patent/1508136)).

Practical points:

• The PTAB power of attorney designates "practitioners associated with Customer Number 26853," i.e., Covington's PTAB customer number, so substitutions among Covington attorneys would not require a new POA.
• No sealed filings or missing appearances affect this list: counsel designations in IPR2018-00726 appear on the public docket, and Aruba was represented throughout (Petition through Final Written Decision, which issued in 2019 and cancelled claims 1, 7 and 16). Counsel of record did not change materially between the Petition and the FWD; the only additions were Peter P. Chen and Grant D. Johnson.

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For completeness — opposing counsel (Patent Owner XR Communications / Vivato)

If by "plaintiff" you meant the infringement plaintiff (Vivato), its counsel are:

Before the PTAB (IPR2018-00726): Noroozi PC — William P. Rothwell (Reg. No. 72,522), lead counsel initially, Sugar Land, TX; Kayvan B. Noroozi (pro hac vice), first back-up, Santa Monica, CA; Joel P.N. Stonedale (Reg. No. 76,924), later designated lead counsel (Updated Mandatory Notices, Feb. 28, 2019); later additions James A. Milkey and Karly Valenzuela (pro hac vice to be filed).

In the C.D. Cal. litigation: Russ, August & Kabat (Los Angeles) — Reza Mirzaie, Kent N. Shum, and Marc A. Fenster are the names that appear in the related-case filings and deposition transcripts (e.g., Mr. Mirzaie identifying himself for XR/Vivato in the July 6, 2022 D-Link deposition).

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Sourcing caveats

• The Covington roster, registration numbers, and office addresses come directly from Aruba's POA and Updated Mandatory Notices filed in IPR2018-00726 (PTACTS petition 1508136). Registration numbers for Garr, Alexander and Chen are as stated in those papers; I did not independently verify Johnson's registration number.
• Mark Chen's firm affiliation at the 1999 Avenue of the Stars address is not confirmed by the documents I could retrieve; only his role as designated local counsel is (Dkt. 29 in 2:17-cv-02945).
• I did not locate any filing in IPR2018-00726 in which Aruba used in-house counsel of record; HP/Aruba in-house attorneys do not appear as counsel of record on this docket.

I'll research this. Note up front: the docket metadata describes an IPR before the PTAB, not a district-court infringement action — so "defendant" maps to the patent owner (XR Communications/Vivato), and the "plaintiff/petitioner" is Aruba. Let me pull the actual PTAB papers.

Good — the PTAB papers give me the patent owner's counsel designations. Now let me verify the final written decision's counsel listing, the original notices, and firm backgrounds.

Let me confirm the original power of attorney/notices at filing (to rule out earlier/substituted counsel) and check backgrounds of the individual attorneys.

Framing note (important)

The metadata you gave me is authoritative, and it describes IPR2018-00726, Aruba Networks, Inc. v. XR Communications, LLC d/b/a Vivato Technologies, before the PTAB — an inter partes review of U.S. 7,729,728, not a district-court infringement action. So the party in the "defendant" posture is the patent owner, XR Communications/Vivato, and there is no "local counsel" role in PTAB practice (no geographic admission requirement), nor did any in-house attorney appear. Below I give XR/Vivato's PTAB counsel of record, then add a short section on Aruba's side in case you meant the co-pending district-court cases where Aruba is the defendant.

Everything below is drawn from PTAB papers served in this proceeding (public; nothing sealed) — not from attorney/firm bios, which I could not verify in this session.

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Counsel of record for XR Communications, LLC d/b/a Vivato Technologies (patent owner / defendant-side)

Primary sources

• Patent Owner's Updated Mandatory Notices (37 C.F.R. § 42.8(a)(3)), filed Feb. 28, 2019, in IPR2018-00726 — designates Stonedale (lead), Noroozi (first back-up), Milkey, Valenzuela, and Rothwell, with addresses and e-mails. Hosted on PTAB E2E: ptacts.uspto.gov/ptacts/public-informations/petitions/1508136/download-documents?artifactId=Ns96wQZ1_hOmtkw2gsqwb4UXCIOt-URZFV3rBfhZdHfhwwrKYvUiYGU
• Patent Owner's Statement Regarding Oral Argument, June 20, 2019 — signature block: "Joel P.N. Stonedale, Reg. No. 76,924; Kayvan B. Noroozi, Admitted Pro Hac Vice; James A. Milkey, Admitted Pro Hac Vice; NOROOZI PC, 11601 Wilshire Blvd., Suite 2170, Los Angeles, CA 90025" (note the firm's L.A. address changed over time).
• Board Order Granting Patent Owner's Motions for Admission Pro Hac Vice of James A. Milkey (covering IPR2018-00725 & IPR2018-00726; captioned before Judges Parvis, McMillin and Worth): ptacts.uspto.gov/ptacts/public-informations/petitions/1508135/download-documents?artifactId=UlURAkUKEVcp6z9lzDi3QaiYrO4Iq0edvBvU0dIKAWSsZFW7kHNxPv4

Notable absence: No in-house counsel for XR/Vivato appears on the docket — consistent with XR being a non-practicing entity (defendants in the parallel C.D. Cal. cases made exactly this point, noting Vivato "is not involved in the development or sale of any products"). And no sealed filings affect counsel identification here.

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If you actually meant Aruba (the defendant in the district-court cases)

In the underlying litigation — XR Communications, LLC v. Aruba Networks, Inc., No. 2:17-cv-02945 / consolidated in No. 8:17-cv-00596 (C.D. Cal.), and later XR Communications v. AT&T et al., No. 2:23-cv-00202 (E.D. Tex.) — Aruba is the defendant. Its PTAB-side counsel (i.e., "plaintiff" side in the IPR) was Covington & Burling LLP:

• David A. Garr — lead counsel (dgarr@cov.com)
• Jay I. Alexander, Peter P. Chen, Grant D. Johnson — back-up counsel
• Service alias: XR-Aruba-IPR@cov.com

Covington's Robert ("Bob") Haslam (with Kee Young Lee) also defended Aruba's interests at fact-witness depositions in the C.D. Cal. consolidated case (e.g., the July 6, 2022 Brooks deposition in No. 8:17-cv-00596). I did not verify Aruba's E.D. Tex. trial counsel roster in this session.

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Verification caveats

1. Attorney bios are thin. I confirmed names, roles, registration numbers, firms and addresses from docket papers, but my searches for individual firm-bio pages for Stonedale, Milkey, Rothwell and Valenzuela returned no usable results before I hit my search limit. I have therefore not asserted prior-firm history, law-school, or case lists for them — only what the record itself shows.
2. Valenzuela's admission is unverified (see table).
3. I did not confirm the exact date of the Final Written Decision in IPR2018-00726 in this session, though the timeline is fixed by the record (institution ~Oct. 2018; consolidated oral argument held June 18, 2019 in IPR2018-00725, with the -00726 hearing waived in favor of that transcript). Your existing summary — claims 1, 7 and 16 held unpatentable — is consistent with that sequence.
4. Note the naming inversion to avoid confusion downstream: Noroozi PC represented the patent owner (XR/Vivato), while Russ, August & Kabat (e.g., Reza Mirzaie) represented XR/Vivato as plaintiff in the district-court suits. Same client, different firms, different fora.