Prosecution Insights
Last updated: October 02, 2026

Examiner: CHHAY, BONIRATH

Tech Center 1600 • Art Units: 1645 1651 1657

This examiner grants 83% of resolved cases

Analysis

Bonirath Chhay serves as a patent examiner in Art Unit 1645 within Tech Center 1600. The current data set for this examiner includes 6 resolved cases. Among these resolutions, the allowance rate is 83.3 percent. This percentage indicates a high frequency of grants for the limited number of applications that have reached a final disposition.

The interview lift is recorded at 0.0 percent. This figure shows that for the 6 resolved cases, an interview did not result in an increase over the 83.3 percent allowance rate. Practitioners should note that with a small sample size, the impact of interviews may not yet be fully reflected in the statistical record for this examiner.

The median days to allowance for applications under this examiner is 1175. This duration represents the time required to move from filing to a patent grant in Art Unit 1645. While the 1175 days to allowance is a specific metric, it is based on the small volume of 6 cases currently resolved in Tech Center 1600.

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

Performance Statistics

83.3%
Allow Rate
+23.3% vs TC avg
37
Total Applications
+0.0%
Interview Lift
1175
Avg Prosecution Days
Based on 6 resolved cases, 2023–2026

Rejection Statute Breakdown

6.6%
§101 Eligibility
5.5%
§102 Novelty
33.7%
§103 Obviousness
30.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19144202 MICROORGANISMS INTRODUCED WITH EXOGENOUS SOLUBLE PYRIDINE NUCLEOTIDE TRANSHYDROGENASE AND METHOD FOR PRODUCING L-TRYPTOPHAN USING THE SAME Non-Final OA CJ CHEILJEDANG CORPORATION
18860177 OSMOLYSIS-BASED RECOVERY OF BIOMACROMOLECULES FROM ENGINEERED HALOTOLERANT MICROORGANISMS Non-Final OA The Regents of the University of California
18681457 GENETICALLY ENGINEERED CELL-DERIVED VACCINES Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18247084 METHODS FOR REDUCING HOST CELL PROTEIN CONTENT IN PROTEIN PURIFICATION PROCESSES Final Rejection Eli Lilly and Company
18557721 METHODS FOR THE ADMINISTRATION OF ADAMTS BINDING IMMUNOGLOBULINS Final Rejection Sanofi
18286030 OFATUMUMAB FOR TREATING MULTIPLE SCLEROSIS IN ASIAN PATIENTS Non-Final OA Novartis AG
18582346 COMPOSITIONS AND METHODS FOR FACIOSCAPULOHUMERAL MUSCULAR DYSTROPHY BIOMARKER DETECTION Non-Final OA University of Washington
18285920 A MULTIPLEX ASSAY FOR THE DIAGNOSIS OF BRUCELLA CANIS INFECTION Non-Final OA CORNELL UNIVERSITY
18844433 IMMUNOGENIC COMPOSITIONS Non-Final OA GLAXOSMITHKLINE BIOLOGICALS SA
18553229 COMPOSITIONS AND METHODS FOR TREATING AND PREVENTING GASTROINTESTINAL INFLAMMATION Final Rejection DUPONT NUTRITION BIOSCIENCES APS

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