Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, YIE CHIA

Tech Center 1600 • Art Units: 1642 1644 1671

This examiner grants 69% of resolved cases

Analysis

Yie Chia Lee is an examiner in Tech Center 1600 and Art Unit 1642. The data includes 38 resolved cases with an allowance rate of 68.4 percent. The interview lift is a very high 48.7 percent, indicating that interviews are extremely effective.

The median days to allowance is 1280. This timeline applies to the 38 resolved cases. The 68.4 percent allowance rate suggests a favorable docket, and the 48.7 percent interview lift provides a clear path to improving the odds of success.

Practitioners should be aware of the 1280 median days to allowance. The allowance rate is a solid baseline, and the interview lift is a critical tool for success in Art Unit 1642. With resolved cases, the data suggests that direct communication with the examiner is highly beneficial for navigating the prosecution process.

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

Performance Statistics

69.2%
Allow Rate
+9.2% vs TC avg
68
Total Applications
+46.6%
Interview Lift
1288
Avg Prosecution Days
Based on 39 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
12.2%
§102 Novelty
30.7%
§103 Obviousness
34.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18271206 MODULATION OF CD46 CELL SURFACE MARKER IN BOTH ANDROGEN RECEPTOR-POSITIVE AND NEGATIVE CANCER CELLS Non-Final OA The Regents of the University of California
18273395 ANTAGONISTIC ANTI-TUMOR NECROSIS FACTOR RECEPTOR SUPERFAMILY ANTIBODIES Non-Final OA The General Hospital Corporation
17627975 SELF-ASSEMBLED VACCINES AND COMBINATION THERAPIES FOR TREATING CANCER Final Rejection The General Hospital Corporation
18529691 TRANSFERRIN RECEPTOR BINDING PROTEINS Non-Final OA Sanofi
18684249 IL-10 Expressing Cells For Enhanced Cancer Immunotherapies Non-Final OA ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
18284413 CAR T CELL THERAPY AND IFN GAMMA Final Rejection CITY OF HOPE
18280340 IMPROVED TREATMENT METHODS USING DMDS FOR THE TREATMENT OF AUTOIMMUNE DISEASES, AND BIOMARKER FOR PREDICTING AND/OR OPTIMISING SAID TREATMENT METHODS Non-Final OA ARES TRADING S.A.
17744354 ANTIGEN-BINDING PROTEINS TARGETING SHARED NEOANTIGENS Non-Final OA Gritstone bio, Inc.
17606306 USE OF AN ANTI-CD19 ANTIBODY TO TREAT AUTOIMMUNE DISEASE Non-Final OA Viela Bio, Inc.
18274845 HUMANIZED ANTIBODY AGAINST TNFR2 AND USE THEREOF Non-Final OA SHANDONG SIMCERE BIOPHARMACEUTICAL CO., LTD.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month