Prosecution Insights
Last updated: October 26, 2026

Sarah Catherine Case, USPTO Patent Examiner

Listed by the USPTO as CASE, SARAH CATHERINE

Tech Center 1700 • Art Units: 1718 1731 1738 1748 1759 1774

This examiner grants 41% of resolved cases

Analysis

CASE, SARAH CATHERINE is a USPTO patent examiner in tech center 1700 and art unit 1718. The record includes 56 resolved cases, an allowance rate of 41.1%, and a median of 1169 days to allowance. The interview lift is 50.8%, making interviews a particularly important feature of the available prosecution record despite the lower overall allowance rate.

Company matters include 3M Innovative Properties Company, BASF SE, and Arizona Board of Regents on Behalf of Arizona State University. The associated firms are GREER, BURNS & CRAIN, LTD, COLLARD & ROE, P.C., and BakerHostetler. The limited resolved-case record calls for caution, but applicants should give examiner interviews serious strategic attention.

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

Performance Statistics

41.1%
Allow Rate
-23.9% vs TC avg
125
Total Applications
+50.8%
Interview Lift
1169
Avg Prosecution Days
Based on 56 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
16.6%
§102 Novelty
47.6%
§103 Obviousness
30.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18188026 METHOD FOR PRODUCING COMPOSITION FOR FORMING INTERLAYER FOR NANOIMPRINT, METHOD FOR PRODUCING LAMINATE, IMPRINT PATTERN PRODUCING METHOD, AND METHOD FOR MANUFACTURING DEVICE Non-Final OA FUJIFILM Corporation
18301766 ABRASIVE PARTICLES Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
17793863 COATED ABRASIVE ARTICLE AND METHOD OF MAKING THE SAME Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
17998619 MULTI-COMPONENT INORGANIC CAPSULE ANCHORING SYSTEM BASED ON PORTLAND CEMENT CLINKER Non-Final OA Hilti Aktiengesellschaft
18574142 USE OF ASPHALT COMPOSITION FOR WEATHERPROOFING APPLICATION Final Rejection BASF SE
18014915 CLOSED-CELL METAL OXIDE PARTICLES Non-Final OA BASF SE
17799354 PROCESS TO DELAY AGEING OF BITUMENS Final Rejection Arkema France
18461077 POLISHING LIQUID FOR POLISHING COMPOUND SEMICONDUCTOR SUBSTRATE Non-Final OA DISCO CORPORATION
17756130 BINDER COMPOSITION INCLUDING BIO-BASED COMPONENT Non-Final OA CARGILL, INCORPORATED
18116484 LIGHT-WEIGHT FAST-DRY SELF-LEVELING CEMENTITIOUS GYPSUM UNDERLAYMENT WITH PARTICLE FILLERS Final Rejection KNAUF GIPS KG

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 Sarah Catherine Case's allowance rate?

41.1% of resolved applications examined by Sarah Catherine Case were allowed (56 resolved cases), compared with 35.5% across Art Unit 1718 over the last five years.

Does an interview help with examiner Sarah Catherine Case?

This examiner's interview lift is +50.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sarah Catherine Case take to allow a patent?

Applications allowed by Sarah Catherine Case took 1,169 days on average from filing to allowance.

Which art unit does examiner Sarah Catherine Case work in?

Sarah Catherine Case examines applications in Art Unit 1718 in Tech Center 1700 (Chemistry & Materials).

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