Prosecution Insights
Last updated: October 01, 2026

Examiner: ANGWIN, DAVID PATRICK

Tech Center 3700 • Art Units: 3636 3722 3729 3742 3754

This examiner grants 68% of resolved cases

Analysis

David Patrick Angwin is an examiner in Tech Center 3700, assigned to Art Unit 3636. The examiner has 433 resolved cases with an allowance rate of 68.1 percent. This suggests a relatively high likelihood of success for patent applications. The median days to allowance is 1239, providing a benchmark for the expected duration of the prosecution process.

The interview lift is 12.5 percent, indicating that interviews are a productive way to increase the probability of allowance beyond the 68.1 percent baseline. With 433 resolved cases, the data offers a robust statistical foundation for this observation. Practitioners should consider an interview as a useful tactic to resolve rejections and potentially manage the 1239-day median pendency more effectively. The combination of a solid allowance rate and a positive interview lift makes Art Unit 3636 a generally favorable venue for applicants.

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

Performance Statistics

68.3%
Allow Rate
-1.7% vs TC avg
462
Total Applications
+12.3%
Interview Lift
1238
Avg Prosecution Days
Based on 435 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
20.7%
§102 Novelty
40.0%
§103 Obviousness
37.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18512273 Liquid Dispensing Apparatus Non-Final OA JOHNSON & JOHNSON CONSUMER INC.
18148880 SMART STAND FOR COSMETIC APPLICATOR CONFIGURED FOR USERS WITH LIMITED MOBILITY Final Rejection L'OREAL
18920457 FLUID CONTAINER PROVIDED WITH A DISPENSING VALVE WITH AN ELECTRONIC DEVICE RETAINED BY A PROTECTIVE COVER Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude

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