Prosecution Insights
Last updated: October 02, 2026

Examiner: FISCHER, JOSEPH

Tech Center 1600 • Art Units: 1654 1658 1676

This examiner grants 43% of resolved cases

Analysis

Joseph Fischer is a patent examiner in Tech Center 1600 and Art Unit 1654. He has reached a resolution in 343 cases. The data shows an allowance rate of 43.4 percent for these applications. This percentage indicates that fewer than half of the cases assigned to him result in a patent grant. Practitioners can use this 43.4 percent rate to understand the more rigorous examination environment presented by this examiner.

The impact of interviews on prosecution outcomes is very high for this examiner. The data reveals an interview lift of 45.6 percent. This metric suggests that conducting an interview is associated with a dramatic increase in the probability of allowance. An interview lift of 45.6 percent indicates that direct communication is perhaps the most effective way to resolve issues and move an application toward a grant. Practitioners should prioritize scheduling an interview early in the process.

The median days to allowance for successful cases is 1225. This duration represents the middle value of the time taken from filing to the issuance of a patent. A median of 1225 days provides a specific timeline for applicants to consider when managing their expectations. These metrics are based on 343 resolved cases, offering a data-grounded perspective on the examiner's historical prosecution patterns.

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

Performance Statistics

43.4%
Allow Rate
-16.6% vs TC avg
384
Total Applications
+45.6%
Interview Lift
1225
Avg Prosecution Days
Based on 343 resolved cases, 2023–2026

Rejection Statute Breakdown

5.3%
§101 Eligibility
11.7%
§102 Novelty
34.1%
§103 Obviousness
33.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17759757 NANOMATERIALS FOR TARGETED TREATMENT AND IMAGING OF ANEURYSMAL MICROENVIRONMENT Non-Final OA The University of North Carolina at Chapel Hill
17176750 FASTING MIMICKING AND ENHANCING DIET FOR TREATING HYPERTENSION AND LIPID DISORDERS Final Rejection UNIVERSITY OF SOUTHERN CALIFORNIA
18370695 MULTIVALENT PEPTOID OLIGOMERS, PHARMACEUTICAL COMPOSITIONS AND METHODS OF USING SAME Non-Final OA NEW YORK UNIVERSITY
18106009 CASPOFUNGIN DERIVATIVES AND ASSAYS FOR EVALUATING ANTIFUNGAL TREATMENT EFFICACY Non-Final OA RAMOT AT TEL AVIV UNIVERSITY LTD.
17312703 TRANSFERRIN RECEPTOR TARGETING PEPTIDES Final Rejection FRED HUTCHINSON CANCER CENTER
18027695 Wnt SIGNALING PATHWAY INHIBITOR Non-Final OA OSAKA UNIVERSITY
18249934 COMPOSITIONS AND METHODS FOR THE TREATMENT OF CANCER Non-Final OA The University of Western Australia
18554511 TREATMENT OF NEUROPATHIC CORNEAL PAIN WITH NGF Non-Final OA TUFTS MEDICAL CENTER, INC.
18283164 GIP AND GLP-1 DUAL RECEPTOR AGONIST, PHARMACEUTICAL COMPOSITION, AND USE Final Rejection BrightGene Bio-Medical Technology Co., Ltd.
18023202 MEDICINE CONTAINING METHEMOGLOBIN ENDOPLASMIC RETICULUM AS ACTIVE INGREDIENT AND USE THEREOF Final Rejection KIMIGAFUCHI GAKUEN
17209615 COMBINATION THERAPY OF HBV AND HDV INFECTION Non-Final OA MYR GMBH

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