Prosecution Insights
Last updated: October 27, 2026

Xu Mei, USPTO Patent Examiner

Listed by the USPTO as MEI, XU

Tech Center 2600 • Art Units: 2614 2615 2654 2695

This examiner grants 85% of resolved cases

Analysis

MEI, XU has 850 resolved cases in art unit 2614 and tech center 2600. The allowance rate is 85.4%, interview lift is 6.0%, and median time to allowance is 1187 days. The large record shows a strong majority allowance outcome. The interview measure is limited, while the median timing indicates that cases reaching allowance may remain in prosecution for a substantial period.

Nokia Corporation, Samsung Electronics Co., Ltd., and Google LLC are the listed companies. The associated firms are SUGHRUE MION, PLLC, MICHAEL BEST & FRIEDRICH LLP (Mke), and Nokia Corporation and Alston & Bird LLP. Applicants may focus on technically precise written responses and claim amendments, using interviews to confirm the scope of disagreements without depending on them for a major outcome change.

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

Performance Statistics

85.4%
Allow Rate
+23.4% vs TC avg
869
Total Applications
+6.0%
Interview Lift
1187
Avg Prosecution Days
Based on 850 resolved cases, 2023–2026

Rejection Statute Breakdown

5.7%
§101 Eligibility
26.9%
§102 Novelty
40.2%
§103 Obviousness
17.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19083019 DATA SEQUENCE GENERATION Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
19046183 APPARATUS AND METHOD FOR CONTROLLING AUDIO SIGNAL ON BASIS OF SENSOR Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18870292 Audio Distortion Mitigation Non-Final OA Google LLC
18932323 DOCK FOR WIRELESS AUDIO SPEAKER Non-Final OA Sony Interactive Entertainment Inc.
18994900 Sound-Pickup Device and Display Device Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
19062853 ACTIVE VIBRATION NOISE REDUCTION DEVICE Non-Final OA HONDA MOTOR CO., LTD.
19123772 SOUND SIGNAL OUTPUT APPARATUS Non-Final OA NTT, INC.
19123251 BACK-VENTING EARPIECE Non-Final OA WS AUDIOLOGY A/S
19007453 APPARATUS AND METHOD FOR ENCODING OR DECODING OF PRECOMPUTED DATA FOR RENDERING EARLY REFLECTIONS IN AR/VR SYSTEMS Non-Final OA Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18903695 AUDIO CANCELLATION Non-Final OA Nokia Technologies Oy
18716986 Apparatus, Methods and Computer Programs for Providing Spatial Audio Non-Final OA Nokia Technologies Oy
18944884 INTEGRATED CIRCUIT ARRANGEMENT SUPPORTING AGGREGATED TRANSDUCERS Non-Final OA Cirrus Logic International Semiconductor Ltd.
18982492 SPEAKER AND SHOWER Non-Final OA Kohler Co.

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Frequently Asked Questions

What is examiner Xu Mei's allowance rate?

85.4% of resolved applications examined by Xu Mei were allowed (850 resolved cases), compared with 66.9% across Art Unit 2614 over the last five years.

Does an interview help with examiner Xu Mei?

This examiner's interview lift is +6.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Xu Mei take to allow a patent?

Applications allowed by Xu Mei took 1,187 days on average from filing to allowance.

Which art unit does examiner Xu Mei work in?

Xu Mei examines applications in Art Unit 2614 in Tech Center 2600 (Communications).

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