Prosecution Insights
Last updated: October 02, 2026

Examiner: PARK, HAEJIN S

Tech Center 1600 • Art Units: 1611 1614 1615 1628 1641

This examiner grants 55% of resolved cases

Analysis

Haejin S. Park is an examiner in Tech Center 1600 and Art Unit 1611, with 732 resolved cases. Her allowance rate of 54.9% indicates a moderate probability of success for patent applicants. This 54.9% rate suggests that slightly more than half of the applications result in a grant. The 732 resolved cases provide a robust statistical foundation for understanding the prosecution landscape in this art unit.

The median days to allowance for her cases is 1124. This 1124-day metric provides a benchmark for the time required to reach a successful resolution. For practitioners, the 1124 days to allowance is an important piece of information for managing client expectations and project timelines. This 1124-day figure reflects the typical pace of prosecution within Tech Center 1600 for this examiner.

The interview lift of 38.5% is quite high, suggesting that interviews are a very powerful tool for securing an allowance. This 38.5% lift indicates that applications are much more likely to be allowed following an interview with the examiner. Given the 54.9% base allowance rate, the 38.5% lift is a critical factor for practitioners to consider. Utilizing the 38.5% lift could be the most effective strategy for successfully navigating the 732 resolved cases in Art Unit 1611.

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

Performance Statistics

55.0%
Allow Rate
-5.0% vs TC avg
785
Total Applications
+38.4%
Interview Lift
1125
Avg Prosecution Days
Based on 737 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
13.1%
§102 Novelty
41.2%
§103 Obviousness
23.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18239036 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT Final Rejection The University of North Carolina at Chapel Hill
18695440 COMPOSITIONS FOR USE Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
18580859 Reducing the Risk of Infection from Bacteria Present in Skin Pores During Surgery Final Rejection The Board of Trustees of the Leland Stanford Junior University
18713334 SOLID POWDER COSMETIC PRODUCT Non-Final OA SHISEIDO COMPANY, LTD.
18713382 METAL COMPLEXED CYANURATE GERMICIDAL ADDITIVE FOR POLYMER COMPOSITIONS Non-Final OA SABIC Global Technologies B.V.
18857684 EMULSION WITH LIQUID CRYSTALLINE STRUCTURES Non-Final OA BEIERSDORF AG
18608586 ORALLY DISINTEGRATING NICOTINE TABLET FOR USE UNDER LIP Final Rejection Fertin Pharma A/S
18685784 METHOD FOR PRODUCING FILM Final Rejection KAO CORPORATION
18687741 ODOUR COUNTERACTION Final Rejection GIVAUDAN SA
18713118 TERNARY CO-AMORPHOUS FORMS OF DRUGS, PROTEINS, AND WATER-SOLUBLE POLYMERS Non-Final OA Zerion Pharma APS
18295181 COMPOSITION AND METHODS OF TREATMENT USING TRANSDERMAL SUPPLEMENTATION Non-Final OA Xygenyx Inc.

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