K. Mizra LLC v. Hewlett Packard Enterprise Co.

K. Mizra LLC, a patent licensing company identified as a non-practicing entity (NPE), initiated this patent infringement lawsuit against Hewlett Packard Enterprise Co. (HPE), a multinational information technology company. K. Mizra LLC's business model involves acquiring high-value patent portfolios from various sources, including major corporations like IBM, Sharp, and Intel, as well as research institutes, and then monetizing them through licensing and litigation. HPE, on the other hand, is a global provider of enterprise IT infrastructure, software, and services, encompassing servers, storage, networking, AI, and cloud solutions. The core of the dispute centered on HPE's enterprise wireless networking and network access control (NAC) products, specifically its Aruba Networks' ClearPass platform, which were accused of infringing K. Mizra's intellectual property.

The litigation primarily involved U.S. Patent No. 9,516,048, which is directed to network access control methods for managing trusted access permissions and verifying security compliance. Another patent, U.S. Patent No. 8,234,705, also directed to network security methods, was asserted in this dispute. The case was filed in the U.S. District Court for the Eastern District of Texas, presided over by Chief Judge Rodney Gilstrap. This venue is historically significant for patent litigation, often favored by patent plaintiffs, including NPEs, due to its structured and expedited dockets, plaintiff-friendly rules, and experienced patent bench. The case concluded with a joint stipulation of dismissal with prejudice, indicating a final resolution, likely a confidential settlement, permanently barring K. Mizra from reasserting these specific claims against HPE and Aruba Networks on the asserted patents.

This case is notable for several reasons, particularly highlighting the assertion patterns of NPEs like K. Mizra LLC in critical technology areas. K. Mizra has an extensive history of patent litigation across various industries. A significant aspect of this particular dispute was the linkage to inter partes review (IPR) proceedings. HPE directly challenged the validity of U.S. Patent No. 9,516,048 at the Patent Trial and Appeal Board (PTAB) through IPR2022-00843, though the PTAB denied institution in January 2023, upholding the patent's validity at that stage. HPE was also involved in another IPR against a different K. Mizra patent (US 7,747,862) with Cisco and Forescout, demonstrating a concerted effort by operating companies to challenge K. Mizra's portfolio through administrative proceedings. The dispute underscores the ongoing challenges faced by large technology companies in defending against assertions by non-practicing entities in essential network security technologies.

Key Legal Developments and Outcome in K. Mizra LLC v. Hewlett Packard Enterprise Co.

The patent infringement litigation between K. Mizra LLC and Hewlett Packard Enterprise Co. (HPE), Case No. 2:21-cv-00305, in the U.S. District Court for the Eastern District of Texas, involved U.S. Patent No. 9,516,048 and U.S. Patent No. 8,234,705. The case concluded with a joint dismissal with prejudice, following substantial litigation and a parallel inter partes review (IPR) proceeding at the Patent Trial and Appeal Board (PTAB).

Here's a chronological summary of the key legal developments:

• Filing & Initial Pleadings:

  • 2021-08-09: K. Mizra LLC filed the patent infringement lawsuit against Hewlett Packard Enterprise Co. in the Eastern District of Texas. The specific details of the complaint, answer, and any counterclaims were not immediately available, but the case proceeded through various procedural milestones.

• Pre-trial Motions of Substance:

  • The parties engaged in substantial procedural milestones, which likely included pre-trial motions, though specific details on motions to dismiss, transfer, or stay were not readily disclosed in the available information.

• Parallel PTAB IPR Proceedings:

  • Hewlett Packard Enterprise Company, as Petitioner, initiated an Inter Partes Review (IPR2022-00843) against K. Mizra LLC, the Patent Owner, challenging U.S. Patent No. 9,516,048.
  • 2022-10-31: The PTAB issued a "Decision Denying Institution of Inter Partes Review" in IPR2022-00843. This meant the PTAB declined to review the patentability of the challenged claims of U.S. Patent No. 9,516,048, allowing the patent to remain as issued and effectively removing the IPR as a parallel challenge to the district court litigation.

• Claim Construction (Markman) Outcomes:

  • 2023-11-21: A Claim Construction Order was filed in the district court case, indicating that the court reached the Markman stage to interpret the asserted patent claims. Specific details of the claim constructions are not publicly available without direct PACER access to the order.

• Discovery Milestones:

  • The case navigated substantial procedural milestones, including discovery, which suggests that the parties exchanged information and evidence relevant to the infringement and validity contentions. Specific strategic discovery milestones were not detailed.

• Settlement and Dismissal:

  • The case did not proceed to trial. Instead, the parties reached a resolution.
  • The litigation concluded with a Joint Stipulation of Dismissal, filed jointly by all parties and accepted by Chief Judge Gilstrap.
  • The dismissal was entered with prejudice, meaning K. Mizra LLC is permanently barred from reasserting these specific claims against HPE and Aruba Networks on the same patents.
  • No damages award or injunctive relief was disclosed, and each party was ordered to bear its own costs, expenses, and attorneys' fees, which is typical of a confidential settlement. The "with prejudice" designation is significant, indicating a final adjudication on the merits for res judicata purposes, typically following a confidential settlement.

The final disposition of the case was a dismissal with prejudice on or before May 15, 2026, indicating a settlement between the parties.

Here is the identified counsel of record representing K. Mizra LLC in K. Mizra LLC v. Hewlett Packard Enterprise Co., Case No. 2:21-cv-00305:

• Cliff Win, Jr.

  • Role: Lead Counsel (Likely)
  • Firm: Folio Law Group PLLC, Seattle, WA and Austin, TX
  • Note: Cliff Win, Jr. is a technology lawyer who advises clients on intellectual property protection and has represented clients in complex patent disputes covering a range of technologies, including cellular and WiFi communications, VoIP telephony, semiconductor manufacturing and design, image sensors, and computer networking and security. He has handled patent cases through all phases of litigation, including jury trials and appeals, in numerous courts nationwide and in foreign jurisdictions. He is admitted to the United States District Court for the Eastern and Western Districts of Texas.

• Joseph Michael Abraham

  • Role: Counsel
  • Firm: Joe Abraham Law, PLLC (based on email domain joe@joeabrahamlaw.com from a related PTAB filing)
  • Note: Further details on specific patent litigation experience for this individual in this case are not explicitly available in the provided search results without direct PACER access.

• Claire Abernathy Henry

  • Role: Counsel
  • Firm: Ward, Smith & Hill, PLLC (based on email domain claire@wsfirm.com from a related PTAB filing)
  • Note: Further details on specific patent litigation experience for this individual in this case are not explicitly available in the provided search results without direct PACER access.

• Andrea Leigh Fair

  • Role: Counsel
  • Firm: Ward, Smith & Hill, PLLC (based on email domain andrea@wsfirm.com from a related PTAB filing)
  • Note: Further details on specific patent litigation experience for this individual in this case are not explicitly available in the provided search results without direct PACER access.

It's important to note that while the PTAB document lists these attorneys as contacts for the patent owner, their specific roles (e.g., lead counsel, local counsel) in the district court case are inferred and would typically be confirmed via district court appearance records. The case was recently dismissed with prejudice on May 15, 2026.

Here is the identified counsel of record representing Hewlett Packard Enterprise Co. in K. Mizra LLC v. Hewlett Packard Enterprise Co., Case No. 2:21-cv-00305:

• Cristina Q. Almendarez

  • Role: Attorney for Hewlett Packard Enterprise Co. (likely litigation counsel).
  • Firm: Benesch Friedlander Coplan & Aronoff LLP.
  • Location: While not explicitly stated in the provided snippets, her declaration for pro hac vice admission in a related PTAB proceeding notes she joined Benesch as an intellectual property litigation associate in 2020. Her prior admissions include the Illinois State Bar and U.S. District Courts for the Northern District of Illinois and Eastern District of Michigan.
  • Experience: Experienced patent litigation attorney, with established familiarity with the subject matter at issue in the K. Mizra cases. She represents Hewlett Packard Enterprise Company in connection with the pending district court action.

• Hersh Mehta

  • Role: Lead counsel for Hewlett Packard Enterprise Co. in a related PTAB proceeding. Given his role as lead counsel in a related IPR concerning the same patent, it is highly probable he was a significant part of the district court litigation team.
  • Firm: (Firm not explicitly stated in the provided snippets, but he is mentioned alongside Cristina Almendarez from Benesch).
  • Location: Not specified in the provided snippets.
  • Experience: Registered practitioner and experienced in inter partes proceedings in the USPTO.

• Davis Chin

  • Role: Backup counsel for Hewlett Packard Enterprise Co. in a related PTAB proceeding. Similar to Hersh Mehta, his involvement in the IPR suggests a role in the broader litigation strategy for the patent.
  • Firm: (Firm not explicitly stated in the provided snippets, but he is mentioned alongside Cristina Almendarez from Benesch).
  • Location: Not specified in the provided snippets.
  • Experience: Registered practitioner and experienced in inter partes proceedings in the USPTO.

While other attorneys like Darin Snyder (O'Melveny & Myers LLP), Michael Headley (Fish & Richardson P.C.), Andrew J. McGuinness (Andrew J. McGuinness, Esq.), and Brett Mangrum (Cherry Johnson Siegmund James LLC) have extensive patent or intellectual property litigation experience and are admitted in relevant jurisdictions, the provided search results directly link only Almendarez, Mehta, and Chin to Hewlett Packard Enterprise Co. for this specific case (2:21-cv-00305) or directly related PTAB proceedings concerning the '048 patent. Without direct docket entries for the district court case, precise roles (e.g., lead counsel vs. local counsel) beyond what is explicitly stated for the PTAB context cannot be definitively assigned for the district court case for Mehta and Chin.