Prosecution Insights
Last updated: October 26, 2026

Janice N Tieu, USPTO Patent Examiner

Listed by the USPTO as TIEU, JANICE N

Tech Center 4100 • Art Units: 2611 2631 2633 4100

This examiner grants 90% of resolved cases

Analysis

TIEU, JANICE N. is assigned to USPTO tech center 4100 and art unit 2611. The record includes 563 resolved cases, an allowance rate of 90.4%, and a median of 760 days to allowance. The interview lift is 10.2%, providing a positive but comparatively modest interview association. The data indicates a high allowance rate alongside a relatively short recorded path to allowance.

The leading companies are Huawei Technologies Co., Ltd., Qualcomm Incorporated, and LG Electronics Inc. The firms most frequently listed are CANTOR COLBURN LLP, Harrity & Harrity, LLP \ Qualcomm, and LEE, HONG, DEGERMAN, KANG & WAIMEY. Wireless and electronics practitioners may use this profile as a useful benchmark for response timing and interview expectations.

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

Performance Statistics

90.4%
Allow Rate
+30.4% vs TC avg
573
Total Applications
+10.2%
Interview Lift
760
Avg Prosecution Days
Based on 563 resolved cases, 2023–2026

Rejection Statute Breakdown

6.4%
§101 Eligibility
15.3%
§102 Novelty
55.1%
§103 Obviousness
12.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18873907 METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING GUARD INTERVAL-BASED PPDU IN WIRELESS LAN SYSTEM Final Rejection LG ELECTRONICS INC.
19046032 METHODS FOR INTERFERENCE HANDLING OF BACKSCATTERED WAVEFORM Non-Final OA APPLE INC.
19194482 PRECODING MATRIX INDICATION METHOD, USER EQUIPMENT, AND ACCESS DEVICE Non-Final OA Huawei Technologies Co., Ltd.
18899394 RECEIVER, COMMUNICATION DEVICE, AND SIGNAL PROCESSING METHOD Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18992957 MESH TOPOLOGY FOR SUB-THZ DEPLOYMENT Non-Final OA QUALCOMM Incorporated
18860912 DYNAMIC ADAPTATION OF SOUNDING REFERENCE SIGNAL FREQUENCY DOMAIN PARAMETERS Non-Final OA QUALCOMM Incorporated

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Frequently Asked Questions

What is examiner Janice N Tieu's allowance rate?

90.4% of resolved applications examined by Janice N Tieu were allowed (563 resolved cases), compared with 70.5% across Art Unit 2611 over the last five years.

Does an interview help with examiner Janice N Tieu?

This examiner's interview lift is +10.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Janice N Tieu take to allow a patent?

Applications allowed by Janice N Tieu took 760 days on average from filing to allowance.

Which art unit does examiner Janice N Tieu work in?

Janice N Tieu examines applications in Art Unit 2611 in Tech Center 4100.

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