IP Verse

Seoul Semiconductor competitive analysis

Explore the latest publications and patents granted to Seoul Semiconductor, showcasing their recent innovations and technological advancements.

Last updated on: Oct 15, 2025

Publication Number	Publication Date	Title	Legal Status
Get instant update for new patents of Seoul Semiconductor
EP3392920	Apr 20, 2022	Light Emitting Device	The Patent Has Been Limited
EP2402415	Jun 9, 2021	Light Emitting Device And Lighting System Having The Same	No Opposition Filed Within Time Limit

Discover the latest PTAB cases involving Seoul Semiconductor, highlighting their recent legal challenges and patent disputes.

Last updated on: Oct 21, 2025

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Seoul Semiconductor
IPR2021-01516	Sep 10, 2021	SEOUL SEMICONDUCTOR	LED WAFER SOLUTIONS	Institution Denied
IPR2021-01504	Sep 8, 2021	SEOUL SEMICONDUCTOR	LED WAFER SOLUTIONS	Institution Denied
IPR2021-01479	Sep 7, 2021	SEOUL SEMICONDUCTOR	LED WAFER SOLUTIONS	Institution Denied
IPR2021-00230	Nov 25, 2020	SATCO PRODUCTS	SEOUL SEMICONDUCTOR	Terminated-Settled
IPR2020-00938	May 18, 2020	SEOUL SEMICONDUCTOR	DOCUMENT SECURITY SYSTEMS	Final Written Decision
IPR2020-00836	Apr 17, 2020	SATCO PRODUCTS	SEOUL SEMICONDUCTOR	Final Written Decision
IPR2020-00410	Jan 15, 2020	SATCO PRODUCTS	SEOUL SEMICONDUCTOR	Final Written Decision
IPR2020-00247	Dec 31, 2019	SATCO PRODUCTS	SEOUL SEMICONDUCTOR	Institution Denied
IPR2020-00146	Dec 16, 2019	SATCO PRODUCTS	SEOUL SEMICONDUCTOR	Final Written Decision
IPR2020-00151	Nov 15, 2019	SATCO PRODUCTS	SEOUL SEMICONDUCTOR	Institution Denied

IP litigation analysis comparing Seoul Semiconductor with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Oct 16, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
SEOUL SEMICONDUCTOR	-	-	12	10
DOCUMENT SECURITY SYSTEMS	-	-	-	23
LG INNOTEK	-	1	7	-
SATCO PRODUCTS	-	-	21	-