Prosecution Insights
Last updated: April 19, 2026

Examiner: ZHANG, LESHUI

Tech Center 2600 • Art Units: 2614 2654 2695

This examiner grants 78% of resolved cases

Performance Statistics

77.5%
Allow Rate
+15.5% vs TC avg
975
Total Applications
+36.0%
Interview Lift
1051
Avg Prosecution Days
Based on 928 resolved cases, 2023–2026

Rejection Statute Breakdown

5.5%
§101 Eligibility
13.6%
§102 Novelty
42.5%
§103 Obviousness
28.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18587604 POSITION DETECTION METHOD, APPARATUS, ELECTRONIC DEVICE AND COMPUTER READABLE STORAGE MEDIUM Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18769966 CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES Non-Final OA Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
18769853 CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES Non-Final OA Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
18496054 DECODER Final Rejection FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
18691019 SPATIAL AUDIO PLAYBACK WITH ENHANCED IMMERSIVENESS Final Rejection Sonos, Inc.
18008445 QUANTIZATION AND ENTROPY CODING OF PARAMETERS FOR A LOW LATENCY AUDIO CODEC Non-Final OA Dolby Laboratories Licensing Corporation
18672139 Spatial Audio Parameter Merging Non-Final OA Nokia Technologies Oy
18393966 AUDIO CANCELLATION Final Rejection Nokia Technologies Oy
17761656 Audio Encoding and Audio Decoding Non-Final OA Nokia Technologies Oy
18789474 SYSTEM, METHOD AND SMART TERMINAL FOR MULTI-USER CROSS-LANGUAGE INTERACTION BASED ON LARGE LANGUAGE MODELS Non-Final OA SOLOS TECHNOLOGY (SHENZHEN) LIMITED
18712467 VOICE SEPARATION METHOD AND APPARATUS, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18620361 SYSTEM AND METHOD FOR SPATIAL AUDIO RENDERING, AND ELECTRONIC DEVICE Final Rejection BEIJING ZITIAO NETWORK TECHNOLOGY CO., LTD.
18400081 AUDIO SIGNAL RENDERING METHOD AND APPARATUS, AND ELECTRONIC DEVICE Final Rejection BEIJING ZITIAO NETWORK TECHNOLOGY CO., LTD.
18614555 OWN VOICE AUDIO PROCESSING FOR HEARING LOSS Non-Final OA Apple Inc.
18760131 INJECTING SHORT-TERM SPECTRO-TEMPORAL KNOWLEDGE INTO AUTOMATIC SPEECH RECOGNITION MODELS Non-Final OA International Business Machines Corporation
18108431 ENCODING METHOD AND ENCODING DEVICE USING COMPLEX SIGNAL AND DECODING METHOD AND DECODING DEVICE USING COMPLEX SIGNAL Non-Final OA Electronics and Telecommunications Research Institute
18640790 SIGNALING FOR RENDERING TOOLS Final Rejection QUALCOMM Incorporated
18583311 SPACING-BASED AUDIO SOURCE GROUP PROCESSING Non-Final OA QUALCOMM Incorporated
18750477 Systems And Methods For Generative Language Model Database System Communication Channel Integration Non-Final OA Salesforce, Inc.
18292336 METHODS AND APPARATUS FOR PROCESSING OBJECT-BASED AUDIO AND CHANNEL-BASED AUDIO Final Rejection Dolby International AB
17921858 METHOD, APPARATUS AND SYSTEM FOR ENHANCING MULTI-CHANNEL AUDIO IN A DYNAMIC RANGE REDUCED DOMAIN Non-Final OA Dolby International AB
18736332 GENERATIVE AI WITH LOGICAL REASONING Non-Final OA NVIDIA CORPORATION
18580344 METHOD AND SYSTEM FOR DETERMINING INDIVIDUALIZED HEAD RELATED TRANSFER FUNCTIONS Final Rejection MCMASTER UNIVERSITY
18769826 SYSTEM AND METHOD FOR ASSISTING SELECTIVE HEARING Non-Final OA Technische Universitaet Ilmenau
18062815 AUDIO DEVICE WITH AUDIO QUALITY DETECTION AND RELATED METHODS Final Rejection GN Audio A/S
18656113 COMPUTING SYSTEM, METHOD, AND MEDIUM FOR PROCESSING CUSTOMER INQUIRIES USING SPEECH-TO-TEXT, LANGUAGE MODEL ANALYSIS, AND TEXT-TO-SPEECH SERVICES Final Rejection CDW LLC
18425025 METHOD AND SYSTEM FOR SOUND MONITORING OVER A NETWORK Final Rejection ST Fam Tech, LLC

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