Prosecution Insights
Last updated: October 01, 2026

Examiner: DIAMOND, ALAN D

Tech Center 3900 • Art Units: 1629 3991 3992

This examiner grants 72% of resolved cases

Analysis

Alan D. Diamond, working in Art Unit 1629 within Tech Center 3900, has resolved 214 cases. The examiner maintains an allowance rate of 71.5%, which is a solid baseline for applicants. The median days to allowance stands at 877, providing a clear expectation for the duration of the prosecution cycle. An interview lift of 8.5% suggests that verbal communication provides a slight advantage in securing an allowance, though the baseline rate is already quite high.

In Tech Center 3900, this examiner's 71.5% allowance rate and 877-day median timeline represent a moderate and predictable prosecution environment. The 8.5% interview lift indicates that while interviews are helpful, they are not strictly necessary for success. Practitioners should weigh the cost of an interview against this 8.5% improvement in the likelihood of allowance. With 214 resolved cases, the data provides a stable foundation for strategic planning, suggesting that a well-reasoned written response has a high chance of success in Art Unit 1629.

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

Performance Statistics

71.5%
Allow Rate
+11.5% vs TC avg
236
Total Applications
+8.5%
Interview Lift
877
Avg Prosecution Days
Based on 214 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
7.6%
§102 Novelty
21.8%
§103 Obviousness
28.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19398341 ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING AN ORGANJC LIGHT EMITTING DISPLAY DEVICE Non-Final OA SAMSUNG DISPLAY CO., LTD.
19435086 DENTAL COMPOSITE MATERIAL HAVING STABLE PASTY PROPERTY Non-Final OA SHOFU INC.
18753354 CHEMICAL FORMULATIONS FOR ELECTROCHEMICAL DEVICE Non-Final OA The Regents of the University of California
18302666 HIGH-EFFICIENCY STRENGTH PROGRAM USED FOR MAKING PAPER IN HIGH CHARGE DEMAND SYSTEM Final Rejection ECOLAB USA INC.

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