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

Patent Owner(s)

• ROKU, INC.

International Classification(s)

• H04S:STEREOPHONIC SYSTEMS
• G10L:SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION
• H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....
• G06F:ELECTRIC DIGITAL DATA PROCESSING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CURTIS, Robert Caston	Los Gatos, US	26	160
DEWEY, Thomas Richard Henry	Cambridge, GB	5	4

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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	Aug 6, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 6, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 6, 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: 2025/0046,319

USING NON-AUDIO DATA EMBEDDED IN AN AUDIO SIGNAL

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