Prosecution Insights
Last updated: October 02, 2026

Examiner: SHIAO, YIH-HORNG

Tech Center 1600 • Art Units: 1621 1623 1672 1673 1691 1693

This examiner grants 72% of resolved cases

Analysis

SHIAO, YIH-HORNG is an examiner in Tech Center 1600 and Art Unit 1621. The data shows 972 resolved cases for this examiner. The allowance rate is 72.5 percent, which indicates the proportion of grants among resolved applications. Practitioners can use this 72.5 percent figure to evaluate the probability of a successful outcome. The count of 972 resolved cases provides a basis for understanding the examiner's historical trends in this art unit.

The interview lift is 75.9 percent. This metric represents the difference in the allowance rate when an interview is conducted compared to the overall rate of 72.5 percent. An interview lift of 75.9 percent suggests that direct communication with the examiner is associated with an exceptionally large increase in the probability of receiving a grant. Practitioners should prioritize scheduling interviews to address specific rejections or to clarify technical aspects of the claims. This 75.9 percent lift is a critical factor in developing a prosecution strategy.

The median days to allowance is 877. This number represents the middle value of the time taken from the start of prosecution to the issuance of a patent. A median of 877 days provides a timeline for applicants to manage their expectations regarding the duration of the process. The combination of the 72.5 percent allowance rate and the 877-day pendency characterizes the current prosecution environment. These metrics help in planning the resources and time required for applications assigned to this examiner.

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

Performance Statistics

72.5%
Allow Rate
+12.5% vs TC avg
989
Total Applications
+75.9%
Interview Lift
877
Avg Prosecution Days
Based on 972 resolved cases, 2023–2026

Rejection Statute Breakdown

6.1%
§101 Eligibility
16.3%
§102 Novelty
33.9%
§103 Obviousness
28.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18742823 BROMODOMAIN INHIBITORS Non-Final OA AbbVie Inc.
18750008 BACTERIAL DERIVED NANOCELLULOSE TEXTILE MATERIAL Non-Final OA DePuy Synthes Products, Inc.
18757757 METHODS FOR MAKING POLYSACCHARIDE-PROTEIN CONJUGATES Non-Final OA Merck Sharp & Dohme LLC
17986361 ORTHOESTER COMPOSITIONS FOR AFFINITY PURIFICATION OF OLIGONUCLEOTIDES Non-Final OA Agilent Technologies, Inc.
18283408 METHODS AND COMPOSITIONS FOR TREATING CANCER THERAPY-INDUCED NEUTROPENIC FEVER AND/OR GVHD Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18507851 TUMOR IMMUNOTHERAPY Non-Final OA The Trustees of Columbia University in the City of New York
18687149 COMPOSITION FOR ENHANCING IMMUNOGENICITY Non-Final OA TORAY INDUSTRIES, INC.
18469530 EXPANDING THE CHEMICAL SUBSTRATES FOR GENETIC CODE REPROGRAMMING Non-Final OA The Board of Trustees of the University of Illinois
18666922 Combination treatment and/or prevention of renal diseases and/or hypertension in non-human mammals comprising one or more SGLT-2 inhibitors and telmisartan Non-Final OA BOEHRINGER INGELHEIM VETMEDICA GMBH
18594627 SYSTEMS AND METHODS FOR DELIVERY OF LIQUID PHARMACEUTICAL COMPOSITIONS IN PARTICULAR COMPRISING ONE OR MORE SGLT-2 INHIBITOR(S) Non-Final OA Boehringer Ingelheim Vetmedica GmbH
18043254 RNA STORAGE METHOD Final Rejection KAO CORPORATION
18681728 THERAPEUTIC COMPOSITIONS AND RELATED METHODS Non-Final OA CORNELL UNIVERSITY
18714279 HYALURONIC ACID POWDER Non-Final OA Kewpie Corporation
18733430 METHOD FOR SEPARATING COMPONENTS USING SUPERCRITICAL FLUID CHROMATOGRAPH Non-Final OA OSAKA UNIVERSITY
18692298 PHARMACEUTICAL COMPOSITION AND A PROCESS TO PREPARE THE SAME Non-Final OA GODAVARI BIOREFINERIES LIMITED
18007982 CANNABINOID-HYALURONIC ACID BIOCONJUGATES Non-Final OA LONDON PHARMACEUTICALS AND RESEARCH CORPORATION

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