Prosecution Insights
Last updated: October 01, 2026

Examiner: TOWNSLEY, SARA ELIZABETH

Tech Center 1600 • Art Units: 1612 1613 1622 1629

This examiner grants 26% of resolved cases

Analysis

Sara Elizabeth Townsley is an examiner in Tech Center 1600, Art Unit 1612. The examiner has 392 resolved cases. The data shows an allowance rate of 25.5 percent and an interview lift of 49.1 percent. The median days to allowance for these cases is 1450.

The 49.1 percent interview lift is a significant figure when compared to the 25.5 percent base allowance rate. This indicates that conducting an interview is a method for increasing the likelihood of an allowance. The 1450 day median pendency is the timeframe applicants can expect when navigating the resolved cases handled by this examiner in Art Unit 1612. Practitioners can consider how these metrics influence the overall prosecution timeline.

With 392 resolved cases, the examiner's statistics provide a view of the prosecution landscape. Practitioners can use the 25.5 percent allowance rate to assess the probability of a grant. The 49.1 percent lift and the Tech Center 1600 environment are factors for prosecution strategy. These data points help in setting expectations for clients.

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

Performance Statistics

25.5%
Allow Rate
-34.5% vs TC avg
446
Total Applications
+49.1%
Interview Lift
1450
Avg Prosecution Days
Based on 392 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
17.9%
§102 Novelty
41.8%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18018148 SUBSTITUTED PYRROLO-PYRIDINONE DERIVATIVES AND THERAPEUTIC USES THEREOF Final Rejection Dana-Farber Cancer Institute, Inc.
18043653 PESTICIDALLY ACTIVE HETEROCYCLIC DERIVATIVES WITH SULFUR CONTAINING SUBSTITUENTS Final Rejection SYNGENTA CROP PROTECTION AG
18613849 METHODS FOR ACCLIMATING TO RETINOID-CONTAINING COMPOSITIONS Non-Final OA Johnson & Johnson Consumer Inc.
18245594 PYRIDO[2,3-D]PYRIMIDIN-4-AMINES AS SOS1 INHIBITORS Non-Final OA Bayer Aktiengesellschaft
18722304 METHOD FOR SYNTHESIZING AN OXIME COMPRISING AN IMIDAZOLE GROUP AND METHOD FOR SYNTHESIZING A NITRILE OXIDE FROM SAID OXIME Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
18714642 CDK4 INHIBITOR FOR THE TREATMENT OF CANCER Non-Final OA PFIZER INC.
18917401 COMPOSITION FOR PREVENTING OR IMPROVING SKIN-AGING CONTAINING A THYMOL ESTER-BASED COMPOUND Non-Final OA AMOREPACIFIC CORPORATION
18247014 COMPOUNDS AND THEIR USE IN TREATING CANCER Final Rejection AstraZeneca AB

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