Prosecution Insights
Last updated: October 26, 2026

Stella Kim Yi, USPTO Patent Examiner

Listed by the USPTO as YI, STELLA KIM

Tech Center 3700 • Art Units: 1742 1744 1754 1781 1791 3736

This examiner grants 71% of resolved cases

Analysis

YI, STELLA KIM is assigned to tech center 3700 and art unit 1742. Her profile covers 981 resolved cases, with an allowance rate of 71.2% and a median of 1168 days to allowance. Interviews show a 28.4% lift, indicating a positive association with allowance outcomes.

The listed companies are O2 Partners, Robert Bosch, and Stryker. The listed firms are Bayramoglu Law Offices LLC, Kilpatrick Townsend & Stockton LLP - East Coast, and MARSHALL, GERSTEIN & BORUN LLP. Interviews may be a productive tool, but the timing data supports planning for continued examination.

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

Performance Statistics

71.2%
Allow Rate
+1.2% vs TC avg
1,009
Total Applications
+28.4%
Interview Lift
1168
Avg Prosecution Days
Based on 981 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
25.2%
§102 Novelty
51.3%
§103 Obviousness
11.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19103838 SYSTEM AND METHOD FOR PRINTING A THREE-DIMENSIONAL OBJECT Non-Final OA Robert Bosch GmbH
18647822 PATTERNED TIE LAYER FOR CATHETER PERFORMANCE OPTIMIZATION Non-Final OA STRYKER EUROPEAN OPERATIONS LIMITED
18866782 CO-EXTRUDED HDPE AND TPU FILMS Non-Final OA BASF SE
19147761 METHOD OF AUTOMATED PROCESSING OF HIGH-TEMPERATURE-STABLE, CLOSED-PORE, RIGID HARD FOAMS Non-Final OA Evonik Operations GmbH

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Frequently Asked Questions

What is examiner Stella Kim Yi's allowance rate?

71.2% of resolved applications examined by Stella Kim Yi were allowed (981 resolved cases), compared with 58.3% across Art Unit 1742 over the last five years.

Does an interview help with examiner Stella Kim Yi?

This examiner's interview lift is +28.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Stella Kim Yi take to allow a patent?

Applications allowed by Stella Kim Yi took 1,168 days on average from filing to allowance.

Which art unit does examiner Stella Kim Yi work in?

Stella Kim Yi examines applications in Art Unit 1742 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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