Prosecution Insights
Last updated: October 02, 2026

Examiner: DAVIS, RUTH A

Tech Center 1600 • Art Units: 1645 1651 1653 1699

This examiner grants 61% of resolved cases

Analysis

Ruth A. Davis is an examiner in Art Unit 1645 within Tech Center 1600. She has handled 914 resolved cases, resulting in an allowance rate of 60.8 percent. This 60.8 percent rate provides a metric for applicants to assess the probability of obtaining a patent grant. The 914 resolved cases establish a substantial history of outcomes for her assigned applications.

The median time to allowance for successful applications is 1171 days. Practitioners should also consider the interview lift of 31.1 percent. This 31.1 percent figure indicates that applications involving an interview have a significantly higher likelihood of allowance compared to those that do not. Given the 1171-day median pendency, an interview is a strategic option for advancing prosecution in Art Unit 1645.

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

Performance Statistics

60.8%
Allow Rate
+0.8% vs TC avg
954
Total Applications
+31.1%
Interview Lift
1171
Avg Prosecution Days
Based on 914 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
15.4%
§102 Novelty
36.5%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18775012 ENGINEERED PROBIOTICS FOR DETECTION OF GASTROINTESTINAL DISEASE IN HUMANS Non-Final OA Northwestern University
18096899 TREATMENT OF MODERATE TO VERY SEVERE GLABELLAR LINES AND LATERAL CANTHAL LINES Final Rejection Ipsen Biopharm Limited
17759674 TREATMENT OF SKIN CONDITIONS Non-Final OA IPSEN BIOPHARM LIMITED
18872675 COMBINATIONS COMPRISING VITAMIN C AND LACTOBACILLUS RHAMNOSUS Non-Final OA DSM IP Assets B.V.
17796487 A METHOD FOR DETERMINING AN ORDER IN WHICH A FOOD PRODUCT IS CULTURED Final Rejection DSM IP ASSETS B.V.
18120319 COMPOSITIONS INCLUDING ENDOPHYTES FOR IMPROVING PLANT NUTRITION, GROWTH,AND PERFORMANCE AND METHODS OF USING THE SAME Non-Final OA University of Washington
18563088 ANTI-OXIDANT CONTAINING PARTICLES AND METHODS OF USE Non-Final OA The United States Government, as Represented by the Department of Veterans Affairs
17795203 LAUNDRY DETERGENT PRODUCT Non-Final OA Conopco, Inc., d/b/a UNILEVER
18836135 USE OF PROBIOTICS FOR MODULATING ALLERGIC IMMUNE RESPONSES Non-Final OA INTERNATIONAL N&H DENMARK APS
18742665 STABLE INOCULANT COMPOSITIONS COMPRISING PARAFFIN OILS/WAXES Non-Final OA NOVOZYMES BIOAG A/S
18952409 STABILIZED LIQUID AND LYOPHILIZED ADAMTS13 FORMULATIONS Non-Final OA TAKEDA PHARMACEUTICAL COMPANY LIMITED

Facing This Examiner?

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

Build Your Strategy

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