Prosecution Insights
Last updated: October 01, 2026

Examiner: CHOWDHURY, IQBAL HOSSAIN

Tech Center 1700 • Art Units: 1652 1656 1761

This examiner grants 74% of resolved cases

Analysis

Iqbal Hossain Chowdhury works in Art Unit 1652 of Tech Center 1700, where the examiner has 1010 resolved cases. The allowance rate is 73.7 percent. This metric indicates the proportion of applications that result in a patent grant. The median days to allowance is 1097, representing the duration of the prosecution period.

The interview lift is 57.4 percent. This figure shows a substantial increase in the allowance rate for cases that include an interview. Practitioners can use this 57.4 percent lift to assess the value of oral advocacy. The 1010 cases provide a robust foundation for these observations in Art Unit 1652.

The 1097 median days to allowance serves as a benchmark for applicants in Tech Center 1700. With an allowance rate of 73.7 percent, the majority of applications reach a grant. These data points offer a comprehensive view of the examiner's historical performance. The volume of resolved cases supports the reliability of these metrics.

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

Performance Statistics

73.7%
Allow Rate
+8.7% vs TC avg
1,029
Total Applications
+57.4%
Interview Lift
1097
Avg Prosecution Days
Based on 1010 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
24.2%
§102 Novelty
32.2%
§103 Obviousness
30.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18720123 METHOD FOR IMPROVED PRODUCTION OF INTRACELLULAR PROTEINS IN BACILLUS Non-Final OA BASF SE
17620786 METHOD FOR PREPARING A FERMENTATION MEDIUM Final Rejection BASF SE
17786721 OPTIMIZED GENE THERAPY FOR TARGETING MUSCLE IN MUSCLE DISEASES Final Rejection RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITAL
19018909 ENGINEERED CLOSTRIDIUM THERMOCELLUM FOR CO-UTILIZATION OF HEMICELLULOSE AND CELLULOSE Non-Final OA Alliance for Energy Innovation, LLC
18729704 RECOMBINANTLY EXPRESSED GLUTAMATE OXIDASE Non-Final OA KIKKOMAN CORPORATION
18857436 PRODUCTION OF FATTY ACID ALKYL ESTERS Non-Final OA Novozymes A/S
18557507 DETERGENT COMPOSITION WITH REDUCED POLYMER CONTENT Non-Final OA Novozymes A/S
18257665 IMPROVED FIBER-WASH IN CORN WET-MILLING Final Rejection NOVOZYMES A/S
18249231 LIPASE VARIANTS AND COMPOSITIONS COMPRISING SUCH LIPASE VARIANTS Non-Final OA Novozymes A/S
18929841 VARIANT ALICYCLOBACILLUS CAS12b PROTEINS WITH IMPROVED DNA CLEAVAGE SELECTIVITY AND METHODS OF USE Non-Final OA The Board of Regents of the University of Oklahoma

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