2:23-cv-00103
E.D. Tex.Apr 17, 2025Background
- Headwater Research LLC filed a patent infringement action against Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. in the Eastern District of Texas.
- The case involves allegations by Headwater that Samsung’s products infringe certain claims of U.S. Patent Nos. 8,406,733 and 9,198,117.
- Samsung is asserting multiple invalidity defenses in advance of the jury trial set for April 21, 2025, including anticipation, obviousness, and lack of written description.
- Samsung identifies specific prior art systems (GTalkServices, Wireless Access Protocol, and Kalibjian) as bases for invalidity.
- The notice is provided pursuant to court order, and Samsung maintains the right to address additional prior art and supporting evidence at trial depending on plaintiff’s presentation.
Issues
| Issue | Plaintiff's Argument | Defendant's Argument | Held |
|---|---|---|---|
| Patent anticipation (35 U.S.C. § 102) | Claims are novel over prior art | GTalkServices anticipates asserted claims | Not decided yet |
| Obviousness (35 U.S.C. § 103) | Claims not obvious in view of art | Claims are obvious over cited references | Not decided yet |
| Written description (35 U.S.C. § 112) | Patents have sufficient description | Claims lack adequate written description | Not decided yet |
| Use of additional prior art at trial | Only disclosed prior art should count | May rely on further art for rebuttal | Not decided yet |
Key Cases Cited
No official reporter cases were cited in the opinion excerpt provided.