Defendant

Sony Electronics, Inc.

8 cases as defendant.

Cases
8
Active
0
8 closed
Filed
2006–2022
Top venue
E.D. Texas Marshall
2 cases

Company profile

Sony Electronics, Inc. is the U.S. headquarters and a key operating subsidiary of Sony Corporation of America, which itself is the American arm of the publicly traded Japanese multinational conglomerate Sony Group Corporation (TYO: 6758 / NYSE: SONY). Headquartered in San Diego, California, Sony Electronics operates with approximately 10,016 employees and an estimated annual revenue of $3.4 billion. The broader Sony Group Corporation, founded in Tokyo, Japan in 1946, reported a global employee count of 112,300 as of March 31, 2025, and a market capitalization of approximately $124 billion in April 2026.

Sony Electronics focuses on developing, marketing, and distributing a wide range of electronics for both consumer and professional markets. Its product portfolio includes Alpha interchangeable-lens cameras, high-resolution audio products, 4K and 8K Ultra HD televisions, headphones, portable speakers, and professional broadcast and A/V equipment. The company's operations encompass research and development, engineering, sales, marketing, distribution, and customer service.

In terms of patent litigation, Sony Electronics, Inc. appears to primarily hold a defensive posture. The company has been named as a defendant in one tracked case and has no recorded appearances as a plaintiff. This pattern is characteristic of an operating company defending against patent assertion entities. The sole tracked case against Sony Electronics, Inc. is located in the U.S. District Court for the Eastern District of Texas, a venue known for a high volume of patent litigation.

The company's notable tracked case is HyperQuery LLC v. Sony Electronics, Inc., in which Sony Electronics is the defendant. This case reflects the ongoing challenges faced by operating companies in the consumer electronics sector from patent assertion campaigns.

Filing activity

2006: 2 cases2'06'08'10'12'142015: 1 case'162017: 2 cases'18'202022: 1 case'22
Cases filed per year naming Sony Electronics, Inc. as defendant.

Greenthread LLC v. Sony Group Corporation et al.

Settlement
Docket:
IPR2023-00375
Filed:
2022-12-19
Patents:10734481

This Inter Partes Review (IPR) proceeding was filed by Sony Group Corporation and other entities against patent owner Greenthread LLC challenging US patent 10734481, and it concluded in a settlement.

Realtime Adaptive Streaming LLC v. Sony Electronics, Inc. et al.

closed
Docket:
1:17-cv-01693
Court:
D. Del.
Filed:
2017-11-21
Patents:9762907

Realtime Adaptive Streaming LLC asserted the '907 patent against Sony Electronics, Inc. in the District of Delaware; Sony Corporation was dismissed on Dec. 28, 2017, and the case was closed. Sony/Polycom IPRs on the '907 patent settled in Nov. 2018.

Raytheon Company v. Sony Kabushiki Kaisha et al.

dismissed
Docket:
2:15-cv-00342
Filed:
2015-03-06
Patents:5591678

Raytheon asserted the ’678 patent under 35 U.S.C. § 271(g) against Sony entities, Apple, and OmniVision. The case was stayed pending the IPRs and ultimately dismissed in the same 2018 joint-dismissal episode as the companion Samsung case.

Agere Systems Inc. v. Sony Corporation et al.

closed
Docket:
2:06-cv-00079-TJW-CE
Filed:
2006-03-01
Terminated:
2008-11-17

Patent infringement suit by Agere against Sony entities. The case produced a 2008 Markman ruling on the '958 'complementary code' limitation and closed in November 2008 without a merits judgment on the '958 patent.

Agere Systems Inc. v. Sony Corporation et al.

terminated
Docket:
2:06-cv-00079
Filed:
2006-03-01
Terminated:
2009-01-06
Patents:5670730

Agere Systems Inc. sued Sony Corporation, Sony Electronics, Inc., and Sony Computer Entertainment America, Inc. in the Eastern District of Texas, Marshall Division. A November 2008 jury verdict found Sony willfully infringed the '730 patent and awarded $18.5 million; Sony was cleared on seven of eight asserted patents due to a prior Lucent license, leaving the '730 patent as the sole patent tried. The case terminated January 6, 2009.