Delaware Display Group LLC v. VIZIO Inc.

Delaware Display Group LLC v. VIZIO Inc. is a patent infringement lawsuit filed in the U.S. District Court for the District of Delaware (Case No. 1:13-cv-02112) on December 31, 2013. The plaintiff, Delaware Display Group LLC ("DDG"), operates as a non-practicing entity (NPE) or patent assertion entity (PAE), having acquired its asserted patents through a series of assignments from entities including Solid State Opto Limited, Rambus International Ltd., Rambus Inc., Rambus Delaware LLC, and Acacia Research Group LLC. DDG was formed shortly before the lawsuit, suggesting a primary purpose of patent monetization. The defendant, VIZIO Inc., is a well-known American company that designs and sells consumer electronics, primarily televisions (LCD, LED, OLED, and Smart TVs) and soundbars, which are the accused infringing products.

The litigation initially asserted U.S. Patent No. 7,300,194, alongside other patents. However, later proceedings, including claim construction and summary judgment motions, predominantly focused on U.S. Patent Nos. 7,434,974 and 7,537,370 as the "patents-in-suit" for this case and related actions. All three patents generally relate to "light emitting panel assemblies and related methods," with specific claims concerning optical coupling arrangements, light sources, and light extraction features in a panel member to efficiently deflect and control light output, typically for backlight units in liquid crystal displays (LCDs) and other display screens. The procedural posture of the case places it before Judge Richard G. Andrews in the District of Delaware, a popular venue for patent litigation due to its established body of patent law and efficient judicial management.

This case is part of a broader patent assertion campaign by Delaware Display Group LLC, which filed similar infringement lawsuits against several other major consumer electronics companies, including Amazon, HTC, Lenovo, LG, Pantech, and Sony, simultaneously with the VIZIO action. The pattern of assertion against multiple industry players by a non-practicing entity highlights a common strategy in patent monetization. The litigation has seen significant activity, including a denied motion for leave to amend in February 2016, motions concerning standing to sue for past infringement, and motions to preclude expert testimony on damages, indicating a contested path toward trial or settlement. The involvement of these patents in multiple inter partes review (IPR) proceedings further underscores the contentious nature of the intellectual property at stake and its relevance within the display technology industry.

The following is a chronological summary of key legal developments and outcomes in Delaware Display Group LLC v. VIZIO Inc., Case No. 1:13-cv-02112, filed in the U.S. District Court for the District of Delaware. The patents at issue in this case are U.S. Patent Nos. 7,434,974 ('974 patent), 7,537,370 ('370 patent), 8,215,816 ('816 patent), and 7,914,196 ('196 patent). [cite: 5 in previous turn]

Key Legal Developments and Outcome:

• 2013-12-31: Complaint Filed
  Delaware Display Group LLC (DDG) and Innovative Display Technologies LLC (IDT) filed a patent infringement lawsuit against VIZIO Inc. and other defendants in the District of Delaware. [cite: 5 in previous turn] This was part of a series of related lawsuits filed by the plaintiffs. [cite: 5 in previous turn]

• 2015-10-27: Claim Construction (Markman) Hearing
  The Court held an oral argument on the issue of claim construction for multiple terms in U.S. Patent Nos. 7,434,974, 7,537,370, 8,215,816, and 7,914,196. [cite: 5 in previous turn] The specific rulings from the resulting Markman order are not detailed in the available information.

• 2015-12-28: Parallel PTAB IPR (IPR2015-00493) Filed for U.S. Patent No. 7,537,370
  LG Electronics, Inc. filed an Inter Partes Review (IPR) petition, IPR2015-00493, challenging U.S. Patent No. 7,537,370, which is one of the patents asserted in the district court litigation.

• 2016-02-25: Motion for Leave to Amend Denied
  The Court denied the Plaintiffs' motion for leave to amend their complaint. [cite: 2 in previous turn, 11 in previous turn] This motion was related to adding allegations of willful infringement. [cite: 11 in previous turn]

• 2016-11-28: Memorandum Opinion Regarding Summary Judgment Motions
  Judge Richard G. Andrews issued a Memorandum Opinion regarding pending motions for summary judgment and a motion to strike, associated with this case and related actions. [cite: 13 in previous turn, 6 in previous turn] The specific rulings on these motions for the VIZIO case were further elaborated in a later opinion.

• 2017-01-18: Memorandum Opinion Regarding Expert Testimony
  Judge Richard G. Andrews signed a Memorandum Opinion regarding a motion to preclude the expert testimony of Patrick F. Kennedy, Ph.D. [cite: 14 in previous turn]

• 2017-03-01: Memorandum Opinion Regarding Summary Judgment Motions
  The Court issued a Memorandum Opinion addressing several motions for summary judgment and motions to exclude expert testimony. [cite: 12 in previous turn] The rulings included:

  • Defendant's Motion for Summary Judgment of Non-Enablement and Written Description (D.I. 274): The opinion indicates the motion was addressed, but the specific outcome (granted/denied) is not explicitly stated in the summary. [cite: 12 in previous turn]
  • Defendant's Motion to Exclude Expert Testimony of Dr. Frederic Kahn on Non-Enablement and Written Description (D.I. 275): The outcome is not explicitly stated. [cite: 12 in previous turn]
  • Defendant's Motion for Summary Judgment of Non-Infringement of U.S. Patent No. 7,537,370 (D.I. 278): The outcome is not explicitly stated. [cite: 12 in previous turn]
  • Plaintiffs' Motion for Partial Summary Judgment (on VIZIO's § 112 Enablement/Written Description Defense) (D.I. 280): The outcome is not explicitly stated. [cite: 12 in previous turn]

• 2017-05-22: Final Written Decision in IPR2015-00493 (U.S. Patent No. 7,537,370)
  The Patent Trial and Appeal Board (PTAB) issued a Final Written Decision in IPR2015-00493, which challenged U.S. Patent No. 7,537,370. The IPR was instituted on July 14, 2015, and terminated on December 17, 2015, leading to this final decision. The specific outcome of the decision (whether claims were found patentable or unpatentable) is not explicitly detailed in the provided snippet.

• Parallel PTAB IPRs for other patents:

  • U.S. Patent No. 7,434,974 ('974 patent): IPR2014-01092 and IPR2015-00368 were identified as related matters concerning this patent. Specific outcomes of these IPRs are not detailed in the available information.
  • U.S. Patent No. 8,215,816 ('816 patent): IPR2015-00496 was identified as a related matter concerning this patent.
  • U.S. Patent No. 7,914,196 ('196 patent): No specific IPR proceeding was identified for this patent in the search results.

The current posture of the case, according to the provided metadata, is "Active." However, no definitive final disposition (settlement, dismissal, judgment, or appeal) for the district court litigation after March 2017 is explicitly available in the search results. Given the passage of time and the conclusion of at least one IPR, further updates on the district court docket would be needed to determine if a confidential settlement or other form of resolution has occurred that is not publicly detailed.

Here is the counsel of record representing the plaintiff(s), Delaware Display Group LLC, in Delaware Display Group LLC v. VIZIO Inc., based on court documents from 2015-2017. The case is active, and while more recent filings (as of March 2026) mention the case, they do not list specific attorneys, so the following represents counsel appearances from earlier stages of the litigation.

Counsel for Plaintiff(s) Delaware Display Group LLC and Innovative Display Technologies LLC:

Farnan LLP (Wilmington, DE)

• Joseph J. Farnan, Jr., Esq.
  • Role: Local Counsel
  • Firm: Farnan LLP, Wilmington, DE
  • Note: Often serves as local counsel in patent litigation in the District of Delaware.
• Brian E. Farnan, Esq.
  • Role: Local Counsel
  • Firm: Farnan LLP, Wilmington, DE
  • Note: Regularly appears as local counsel in patent cases in Delaware.
• Michael J. Farnan, Esq.
  • Role: Local Counsel
  • Firm: Farnan LLP, Wilmington, DE
  • Note: Frequently acts as local counsel in intellectual property disputes in the District of Delaware.

Bragalone Conroy P.C. / Bragalone & Conroy LLP (Dallas, TX)

• Jeffrey R. Bragalone, Esq.
  • Role: Lead Counsel
  • Firm: Bragalone Conroy P.C., Dallas, TX
  • Note: Noted as having "argued" in court, indicating a lead role in the litigation.
• Patrick J. Conroy, Esq.
  • Role: Lead Counsel
  • Firm: Bragalone Conroy P.C., Dallas, TX
  • Note: Identified as having "argued" in court proceedings, suggesting a primary role.
• Justin B. Kimble, Esq.
  • Role: Lead Counsel
  • Firm: Bragalone Conroy P.C., Dallas, TX
  • Note: Appears on filings for the plaintiffs.
• Daniel F. Olejko, Esq.
  • Role: Lead Counsel
  • Firm: Bragalone Conroy P.C., Dallas, TX
  • Note: Listed as counsel for the plaintiffs.
• James R. Perkins, Esq.
  • Role: Lead Counsel
  • Firm: Bragalone Conroy P.C., Dallas, TX
  • Note: Appears as counsel for the plaintiffs.
• T. William Kennedy, Jr., Esq.
  • Role: Lead Counsel
  • Firm: Bragalone Conroy P.C., Dallas, TX
  • Note: Noted as having "argued" in court, indicating a lead role.
• Stephanie Wood, Esq.
  • Role: Lead Counsel
  • Firm: Bragalone Conroy P.C., Dallas, TX
  • Note: Listed as counsel for the plaintiffs in at least one document.

Here is a list of the counsel of record representing VIZIO Inc. in Delaware Display Group LLC v. VIZIO Inc., Case No. 1:13-cv-02112:

Lead Counsel:

• Jason C. Lo

  • Firm: Gibson, Dunn & Crutcher LLP, Los Angeles, California
  • Note: Mr. Lo has been noted as lead counsel for VIZIO Inc. in this and related patent infringement cases, participating in oral arguments for motions such as summary judgment.

• Raymond A. LaMagna

  • Firm: Gibson, Dunn & Crutcher LLP, Los Angeles, California
  • Note: Mr. LaMagna has represented VIZIO Inc. in patent infringement litigation and participated in oral arguments.

Local Counsel (Delaware):

• Pilar G. Kraman
  • Firm: Young, Conaway, Stargatt & Taylor LLP, Wilmington, Delaware
  • Note: Ms. Kraman is listed as an attorney for VIZIO Inc. in various filings and opinions within this case.

Other Counsel Identified (potentially from earlier stages or other related cases):

• Stephanie E. O'Byrne

  • Firm: Potter, Anderson & Corroon LLP, Wilmington, Delaware
  • Note: Ms. O'Byrne has represented VIZIO Inc. in this case, specifically appearing in filings from 2015 and 2016.

• Frederick I. Williams

  • Firm: Vinson & Elkins LLP, Austin, Texas
  • Note: Mr. Williams is listed as counsel for VIZIO Inc. in various court documents.

• Eric J. Klein

  • Firm: Vinson & Elkins LLP, Dallas, Texas
  • Note: Mr. Klein is also listed as counsel for VIZIO Inc. and other defendants in related Delaware Display Group LLC cases.

It's worth noting that VIZIO Inc. has a history of aggressively defending itself against patent infringement claims, with its Senior Vice President and General Counsel, Jerry Huang, quoted on their successful track record against non-practicing entities. While Jerry Huang is in-house counsel, specific outside counsel handle the litigation.## Counsel of Record for VIZIO Inc. in Delaware Display Group LLC v. VIZIO Inc.

VIZIO Inc. is represented by a team of attorneys from various firms, including lead counsel from Gibson, Dunn & Crutcher LLP and local counsel from Young, Conaway, Stargatt & Taylor LLP and Potter, Anderson & Corroon LLP.

Here is a breakdown of the identified counsel:

Lead Counsel

• Jason C. Lo

  • Role: Lead Counsel
  • Firm: Gibson, Dunn & Crutcher LLP, Los Angeles, California
  • Note: Mr. Lo has served as lead counsel for VIZIO Inc. in this patent infringement case and related matters, actively participating in oral arguments for dispositive motions, including those concerning summary judgment.

• Raymond A. LaMagna

  • Role: Lead Counsel
  • Firm: Gibson, Dunn & Crutcher LLP, Los Angeles, California
  • Note: Mr. LaMagna has represented VIZIO Inc. in this litigation, appearing in court documents and participating in oral arguments.

Local Counsel

• Pilar G. Kraman

  • Role: Local Counsel
  • Firm: Young, Conaway, Stargatt & Taylor LLP, Wilmington, Delaware
  • Note: Ms. Kraman is frequently listed as local counsel for VIZIO Inc. in court filings and opinions within the District of Delaware.

• Stephanie E. O'Byrne

  • Role: Local Counsel
  • Firm: Potter, Anderson & Corroon LLP, Wilmington, Delaware
  • Note: Ms. O'Byrne has appeared as counsel for VIZIO Inc. in documents related to the case from 2015 and 2016.

Other Counsel

• Frederick I. Williams

  • Role: Counsel
  • Firm: Vinson & Elkins LLP, Austin, Texas
  • Note: Mr. Williams has been identified as counsel for VIZIO Inc. in several court records.

• Eric J. Klein

  • Role: Counsel
  • Firm: Vinson & Elkins LLP, Dallas, Texas
  • Note: Mr. Klein's representation extends to VIZIO Inc. and other defendants in related cases brought by Delaware Display Group LLC.

VIZIO Inc. has a publicly acknowledged strategy of vigorously defending against patent infringement lawsuits, with its Senior Vice President and General Counsel, Jerry Huang, highlighting the company's numerous victories against non-practicing entities.