Prosecution Insights
Last updated: October 04, 2026

Examiner: RAMOS LEWIS, JOSMALEN MILAGROS

Tech Center 4100 • Art Units: 1621 4100

This examiner grants 54% of resolved cases

Analysis

Josmalen Milagros Ramos Lewis examines in Tech Center 4100 and Art Unit 1621. With 69 resolved cases, the allowance rate is 53.6 percent. This indicates the level of difficulty for applicants. The median days to allowance is 1081, which is the duration for successful prosecution. These 69 resolved cases establish the current performance metrics for this examiner.

The interview lift is 23.9 percent, suggesting that interviews are effective at increasing the 53.6 percent baseline allowance rate. For the 69 cases in the data, the lift indicates that verbal discussion is a key tactic for resolving issues. Practitioners should use the 1081-day median pendency as a guide for timing while seeking interviews to improve their chances. The 23.9 percent lift provides a clear path to improve the 53.6 percent allowance rate in Art Unit 1621.

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

Performance Statistics

53.6%
Allow Rate
-6.4% vs TC avg
92
Total Applications
+23.9%
Interview Lift
1081
Avg Prosecution Days
Based on 69 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
25.7%
§102 Novelty
53.7%
§103 Obviousness
14.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17639489 EXTENDED RELEASE DOSAGE FORMS FOR TYK2 INHIBITORS Final Rejection Bristol-Myers Squibb Company
18594178 Chlorthalidone Compositions And Methods Non-Final OA Nivagen Pharmaceuticals, Inc.
17422074 COMBINATION PHARMACEUTICAL COMPOSITIONS AND METHODS THEREOF Final Rejection University of Washington
17511635 MEK INHIBITORS FOR CORNEAL SCARRING AND NEOVASCULARIZATION Final Rejection THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
19067074 COMBINATION THERAPY FOR THE TREATMENT OF PSYCHIATRIC DISORDER Non-Final OA GSKB Pharmaceuticals, LLC
18633291 COMBINATION THERAPY FOR THE TREATMENT OF PSYCHIATRIC DISORDER Non-Final OA GSKB Pharmaceuticals, LLC
17396292 GREEN POLYETHYLENE WAX FOR HOT MELT ADHESIVES, COATINGS, AND COSMETICS Non-Final OA Braskem S.A.
18665262 METHODS OF TREATING FAMILIAL AMYOTROPHIC LATERAL SCLEROSIS BY ORAL ADMINISTRATION OF FASUDIL Non-Final OA Woolsey Pharmaceuticals, Inc.
18736787 Adelmidrol For Use In Diseases Characterized By Insufficient Agonism Of PPAR-GAMMA Receptor Non-Final OA Epitech Group S.P.A.
18566777 PHARMACEUTICAL SALTS OF A CHK-1 INHIBITOR Non-Final OA PHARMAENGINE, INC.
18462571 PROCESSES AND APPARATUS FOR EXTRACTION OF SUBSTANCES AND ENRICHED EXTRACTS FROM PLANT MATERIAL Non-Final OA BIOMASS OIL SEPARATION SOLUTIONS, LLC
18259964 PHARMACEUTICAL COMPOSITION FOR INHALATION Final Rejection SHANGHAI HUILUN JIANGSU PHARMACEUTICAL CO., LTD.
18027036 PIPERAZINE DERIVATIVE, PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA HISUN ACCURAY THERAPEUTICS CO., LTD.
18145986 Tetrahydropyrazolopyrimidines and Related Analogs for Inhibiting YAP/TAZ-TEAD Non-Final OA VIB vzw
17283627 PHARMACEUTICAL COMPOSITION CONTAINING ALKYL CARBAMOYL NAPHTHALENYLOXY OCTENOYL HYDROXYAMIDE PHOSPHATE, TARTRATE OR COMBINATION THEREOF, AND PREPARATION METHOD THEREFOR Final Rejection CRYSTALGENOMICS, INC.

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