Prosecution Insights
Last updated: October 02, 2026

Examiner: TIEU, JANICE N

Tech Center 4100 • Art Units: 2112 2611 2631 2633 4100

This examiner grants 90% of resolved cases

Analysis

Janice N Tieu serves in Tech Center 4100 and Art Unit 2112. The examiner has an allowance rate of 90.3% based on 558 resolved cases. The median days to allowance is 761. These figures suggest that the examiner frequently grants patents and does so within this specific timeframe. The 90.3% allowance rate provides an expectation for applicants in this unit.

The interview lift is 10.4%, which increases the probability of success beyond the 90.3% baseline. This indicates that while written prosecution is often successful, an interview can provide an additional advantage. The 761-day median pendency is a metric for practitioners to consider when planning their timeline. With 558 resolved cases, the examiner's metrics are statistically solid. Practitioners in Art Unit 2112 can expect a prosecution environment where the 90.3% allowance rate and 10.4% lift offer a path to a grant. The 761-day timeline serves as a benchmark for the duration of the process.

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

Performance Statistics

90.3%
Allow Rate
+30.3% vs TC avg
569
Total Applications
+10.4%
Interview Lift
761
Avg Prosecution Days
Based on 558 resolved cases, 2023–2026

Rejection Statute Breakdown

6.4%
§101 Eligibility
15.5%
§102 Novelty
55.0%
§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 Non-Final OA LG ELECTRONICS INC.
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
18966032 UNIFIED MULTIPLE ACCESS (MA) BASED SYSTEM FOR UPLINK TRANSMISSION OF DATA BY MULTIPLE USERS Non-Final OA INDIAN INSTITUTE OF TECHNOLOGY KHARAGPUR

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