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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
LG CHEM LTD	128 YEOUI-DAERO YEONGDEUNGPO-GU SEOUL 150-721

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C07D:HETEROCYCLIC COMPOUNDS
• C07B:GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS TH....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CHA, Yongbum	Daejeon, KR	69	125
CHO, Woo Jin	Daejeon, KR	50	108
GEUM, Sujeong	Daejeon, KR	36	26
HA, Jae Seung	Daejeon, KR	33	29
KIM, Seonwoo	Daejeon, KR	19	7
LEE, Woochul	Daejeon, KR	49	35

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Oct 3, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 3, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 3, 2036

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2025/0109,124

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

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