Prosecution Insights
Last updated: October 27, 2026

Samuel Leonard Galster, USPTO Patent Examiner

Listed by the USPTO as GALSTER, SAMUEL LEONARD

Tech Center 1600 • Art Units: 1623 1651 1693

This examiner grants 52% of resolved cases

Analysis

GALSTER, SAMUEL LEONARD is assigned to tech center 1600 and art unit 1623. The dataset contains 117 resolved cases, an allowance rate of 52.1%, and a median of 1174 days to allowance. The allowance figure indicates a more evenly contested record than one dominated by allowances, while the timing figure suggests that successful prosecution may require patience. Interviews have a 42.2% lift, making them a significant strategic option for clarifying technical and claim issues.

The principal companies are Daiichi Sankyo Company, Limited, Haus Bioceuticals Inc., and Mirum Pharmaceuticals Inc. The leading firms are Muncy, Geissler, Olds & Lowe, P.C., CHALKER FLORES, LLP, and DUNLAP CODDING, P.C. This company and counsel mix provides useful context for pharmaceutical applicants. A well-prepared interview may be particularly valuable when paired with precise amendments and evidence addressing the cited art.

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

Performance Statistics

52.1%
Allow Rate
-7.9% vs TC avg
183
Total Applications
+42.2%
Interview Lift
1174
Avg Prosecution Days
Based on 117 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
16.3%
§102 Novelty
39.3%
§103 Obviousness
24.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18723131 PROCESS FOR THE BACKBONE DEPROTECTION OF OLIGONUCLEOTIDES CONTAINING A TERMINAL ALKYL PHOSPHONATE GROUP Non-Final OA NOVO NORDISK A/S
18627239 DOSING REGIMENS FOR USE IN PREVENTING RELAPSE OF ACUTE MYELOID LEUKEMIA FOLLOWING ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION WITH VENETOCLAX IN COMBINATION WITH AZACITIDINE Non-Final OA ABBVIE INC.
18269213 MOLECULE FOR INDUCING SPONTANEOUS CALCIFICATION OF TUMOR CELLS AND USE THEREOF Final Rejection ZHEJIANG UNIVERSITY
18571126 TUNABLE DYNAMIC AND NON-DYNAMIC HYDROGEL SYSTEMS Non-Final OA The Johns Hopkins University
17291588 METHODS FOR CONSOLIDATING ANTIBIOTIC-ELUTING POLYMERIC MATERIALS Non-Final OA THE GENERAL HOSPITAL CORPORATION
18255757 STABLE AQUEOUS COMPOSITION FOR PRETERM TO PROMOTE EARLY POSTNAL GROWTH Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
17616966 METHODS OF REJUVENATING AGED TISSUE BY INHIBITING 15-HYDROXYPROSTAGLANDIN DEHYDROGENASE (15-PGDH) Final Rejection The Board of Trustees of the Leland Stanford Junior University
18539559 OIL-RESISTANT AGENT Final Rejection DAIKIN INDUSTRIES, LTD.
18704860 ISOPROPYL-D-GLUCOPYRANOSIDE DERIVATIVE, AND PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA NATIONAL TSING HUA UNIVERSITY
17265387 METHODS FOR REDUCING ABNORMAL SCAR FORMATION Non-Final OA CORNELL UNIVERSITY
18626439 Preparation of Chitin Nanocrystals and Nanowhiskers from Crustacean Biomass Using Ionic Liquid Non-Final OA Texas Tech University System
17633254 HYBRID AMIDE DERIVATIVES OF AMPHOTERICIN B Final Rejection The Board of Trustees of the University of Illinois
18702544 STARCH COMPOSITIONS MADE USING SATURATED STEAM Non-Final OA CORN PRODUCTS DEVELOPMENT, INC.
18365835 METHODS FOR THE TREATMENT OF FAMILIAL HETEROZYGOUS AND HOMOZYGOUS HYPERCHOLESTEROLEMIA WITH CYCLODEXTRINS Non-Final OA Beren Therapeutics P.B.C.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Samuel Leonard Galster's allowance rate?

52.1% of resolved applications examined by Samuel Leonard Galster were allowed (117 resolved cases), compared with 51.3% across Art Unit 1623 over the last five years.

Does an interview help with examiner Samuel Leonard Galster?

This examiner's interview lift is +42.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Samuel Leonard Galster take to allow a patent?

Applications allowed by Samuel Leonard Galster took 1,174 days on average from filing to allowance.

Which art unit does examiner Samuel Leonard Galster work in?

Samuel Leonard Galster examines applications in Art Unit 1623 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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