Prosecution Insights
Last updated: October 01, 2026

Examiner: ROZOF, TIMOTHY R

Tech Center 1600 • Art Units: 1625 1629

This examiner grants 73% of resolved cases

Analysis

Timothy R. Rozof is an examiner in Art Unit 1625 of Tech Center 1600. The examiner has 972 resolved cases and an allowance rate of 72.7 percent. This high volume of cases and relatively high allowance rate suggest a consistent and predictable examination style that is generally favorable to applicants. The 972 resolved cases represent a vast amount of experience, indicating that the examiner is well-versed in the technical and legal aspects of the applications they review.

The interview lift is 23.6 percent, indicating that interviews are a highly effective strategy for overcoming rejections. Applicants are encouraged to utilize interviews to clarify technical details and negotiate claim scope, as the 23.6 percent lift shows a significant improvement in outcomes. This suggests that the examiner is open to the collaborative problem-solving that occurs during an interview. Practitioners can use this data to justify the time and expense of scheduling a formal meeting with the examiner to advance prosecution.

The median days to allowance is 737. This is a relatively efficient timeline, suggesting that the examiner processes applications quickly, leading to faster grants for successful applicants. The 737-day median is an excellent benchmark for applicants who prioritize speed in their patent strategy. It allows for a more rapid transition from the application phase to the enforcement or licensing of granted patent rights, providing a significant advantage in fast-moving technology markets.

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

Performance Statistics

72.7%
Allow Rate
+12.7% vs TC avg
998
Total Applications
+23.6%
Interview Lift
737
Avg Prosecution Days
Based on 972 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
33.2%
§102 Novelty
21.1%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18885092 COMPOUND AND LIPID COMPOSITION Non-Final OA FUJIFILM Corporation
18815847 COMPOSITION FOR LIVING BODY Non-Final OA FUJIFILM Corporation
17926424 A COMPOSITION FOR IMPROVING QOL OF A 40-YEAR-OLD OR OLDER POSTMENOPAUSAL WOMAN WITHOUT MENOPAUSAL DISORDER Non-Final OA DAICEL CORPORATION
18886532 ANTIVIRAL PRODRUGS, PHARMACEUTICAL FORMULATIONS, AND METHODS Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18837494 INSECT, ACARINA AND NEMATODE PEST CONTROL Non-Final OA SYNGENTA CROP PROTECTION AG
18689708 SUBSTITUTED 2,3-DIHYDRO[1,3]THIAZOLO[4,5-B]PYRIDINES, SALTS THEREOF AND THEIR USE AS HERBICIDALLY ACTIVE SUBSTANCES Non-Final OA BAYER AKTIENGESELLSCHAFT
18447057 METHOD AGAINST SNAKE ENVENOMATION Final Rejection National Tsing Hua University
18266917 USE OF MGLUR5 ANTAGONISTS FOR TREATING GAMBLING DISORDER Final Rejection Yale University
18837956 METHODS OF TREATING PROSTATE CANCER Non-Final OA AstraZeneca AB
18649114 COMPOUNDS AND USES THEREOF Final Rejection JANSSEN PHARMACEUTICA NV
18649184 COMPOUNDS AND USES THEREOF Final Rejection JANSSEN PHARMACEUTICA NV
18633760 METHODS FOR REDUCING ISCHEMIA-REPERFUSION INJURIES Non-Final OA Duke University
18256747 COMPOUNDS FOR TREATING EYE DISEASES AND DISORDERS Final Rejection Tel Hashomer Medical Research Infrastructure and Services Ltd.
18016625 LIPIDIC COMPOUNDS COMPRISING AT LEAST ONE TERMINAL RADICAL OF FORMULA -NH-CX-A OR -NH-CX-NH-A, COMPOSITIONS CONTAINING THEM AND USES THEREOF Final Rejection SANOFI PASTEUR
17951342 ALDOSE REDUCTASE INHIBITORS FOR THE TREATMENT OF ACUTE RESPIRATORY DISTRESS SYNDROME, ACUTE LUNG INFLAMMATION/INJURY, CARDIAC INJURY AND ANTI-VIRAL THERAPY Non-Final OA Applied Therapeutics, Inc.

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