Prosecution Insights
Last updated: October 27, 2026

Yie Chia Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, YIE CHIA

Tech Center 1600 • Art Units: 1642 1644 1671

This examiner grants 69% of resolved cases

Analysis

LEE, YIE CHIA works in Tech Center 1600 and Art Unit 1642. The record includes 39 resolved cases and shows a 69.2% allowance rate. The median time to allowance is 1288 days, so applicants should interpret the outcome alongside a long reported prosecution timeline and a limited resolved-case record.

The interview lift is 46.6%, making interviews a significant planning consideration in the available data. The General Hospital, Bristol-Myers Squibb, and Mayo Foundation are the leading listed companies. Clark+Elbing, pH IP Law, and Baker Botts are the leading listed firms. The profile is centered on medical and pharmaceutical applicants.

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
75
Total Applications
+46.6%
Interview Lift
1288
Avg Prosecution Days
Based on 39 resolved cases, 2023–2026

Rejection Statute Breakdown

4.9%
§101 Eligibility
11.5%
§102 Novelty
28.4%
§103 Obviousness
36.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17772865 METHODS OF TREATMENT WITH ANTIBODIES AGAINST BCMA AND CD3 Final Rejection BRISTOL-MYERS SQUIBB COMPANY
18294747 ASSESSING AND TREATING MESOTHELIOMA Non-Final OA Mayo Foundation for Medical Education and Research
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
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
18529691 TRANSFERRIN RECEPTOR BINDING PROTEINS Non-Final OA Sanofi
17606306 USE OF AN ANTI-CD19 ANTIBODY TO TREAT AUTOIMMUNE DISEASE Non-Final OA Viela Bio, Inc.

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Frequently Asked Questions

What is examiner Yie Chia Lee's allowance rate?

69.2% of resolved applications examined by Yie Chia Lee were allowed (39 resolved cases), compared with 38.5% across Art Unit 1642 over the last five years.

Does an interview help with examiner Yie Chia Lee?

This examiner's interview lift is +46.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Yie Chia Lee take to allow a patent?

Applications allowed by Yie Chia Lee took 1,288 days on average from filing to allowance.

Which art unit does examiner Yie Chia Lee work in?

Yie Chia Lee examines applications in Art Unit 1642 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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