Prosecution Insights
Last updated: October 02, 2026

Examiner: LAO, LUNSEE

Tech Center 2600 • Art Units: 2100 2614 2651 2655 2691 2692

This examiner grants 76% of resolved cases

Analysis

Lunsee Lao is an examiner in Art Unit 2100 of Tech Center 2600. With 771 resolved cases, the examiner maintains an allowance rate of 75.7 percent. This rate indicates a probability of success for applicants in this queue. The median days to allowance is 1249, which reflects the timeframe for applications to reach a grant.

The interview lift is 15.9 percent, suggesting that interviews are a strategy for increasing the chances of allowance. This lift is a factor when compared to the 75.7 percent baseline. Practitioners may find that interviews help to clarify technical points and potentially navigate the 1249-day median pendency more effectively. The 771 resolved cases provide a foundation for these statistics in Tech Center 2600.

The 75.7 percent allowance rate and 15.9 percent interview lift suggest a consistent examination process. The 1249-day median to allowance is a factor for applicants to consider in their planning. These metrics from Art Unit 2100 provide a data-grounded view of historical performance.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

75.7%
Allow Rate
+13.7% vs TC avg
783
Total Applications
+15.9%
Interview Lift
1249
Avg Prosecution Days
Based on 771 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
26.6%
§102 Novelty
49.3%
§103 Obviousness
8.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18944837 ELECTRONIC APPARATUS AND CONTROLLING METHOD THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19037833 AUDIO SIGNAL PROCESSING DEVICE Non-Final OA ALPS ALPINE CO., LTD.
18955633 CONTROL METHOD OF CEILING MICROPHONE Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
19048362 Headset, Head-Mounted Device, and Headset Signal Processing Method Non-Final OA Huawei Technologies Co., Ltd.
18947674 Acoustic Echo Cancellation Using a Wireless Speaker Non-Final OA Google LLC
18863935 TECHNIQUES FOR RENDERING AUDIO THROUGH A PLURALITY OF AUDIO OUTPUT DEVICES Final Rejection HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
19087040 SOUND SPACE CONSTRUCTION DEVICE, SOUND SPACE CONSTRUCTION SYSTEM, STORAGE MEDIUM STORING PROGRAM, AND SOUND SPACE CONSTRUCTION METHOD Non-Final OA Mitsubishi Electric Corporation
18645857 PARTICULAR-SOUND DETECTOR AND METHOD, AND PROGRAM Non-Final OA Sony Group Corporation
18861980 TUNING SPRING MASS RESONATOR OF LOUDSPEAKER IN MOBILE DEVICE Non-Final OA Microsoft Technology Licensing, LLC
18736220 COOPERATIVE AUDIO FREQUENCY REPRODUCTION FOR SPEAKER DEVICES Non-Final OA Microsoft Technology Licensing, LLC
18947513 LOCATION-BASED SYSTEMS AND METHODS FOR INITIATING WIRELESS DEVICE ACTION Final Rejection Bose Corporation
18529822 HEARING DIAGNOSTIC SYSTEM Final Rejection Analog Devices, Inc.
19001274 CIRCUITS, DEVICES AND METHODS RELATED TO AUDIO AMPLIFIERS HAVING GAIN CALIBRATION Non-Final OA SKYWORKS SOLUTIONS, INC.
18608516 SPATIAL AUDIO ADJUSTMENT SYSTEM FOR AN AMUSEMENT RIDE Final Rejection Universal City Studios LLC

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