Prosecution Insights
Last updated: October 02, 2026

Examiner: EVANS, TRISTAN ISAAC

Tech Center 3600 • Art Units: 3626 3683

This examiner grants 34% of resolved cases

Analysis

Tristan Isaac Evans is assigned to Art Unit 3626 in Tech Center 3600. He has 59 resolved cases with an allowance rate of 33.9 percent. This rate suggests the examination process where a portion of the cases reach allowance. The 59 resolved cases indicate his track record for applicants, and the current data points to the environment for those in his docket.

The interview lift is 55.6 percent. This indicates that interviews are a tool for applicants to move from rejection to allowance. The median days to allowance is 1177. Practitioners might schedule interviews during the prosecution process, as the 55.6 percent lift shows an increase in the probability of success when verbal communication is utilized. This strategy is relevant given the 33.9 percent baseline allowance rate, as it represents a path to securing a grant with this examiner. The 1177 days is the median time to reach an allowance for his cases.

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

Performance Statistics

33.9%
Allow Rate
-18.1% vs TC avg
79
Total Applications
+55.6%
Interview Lift
1177
Avg Prosecution Days
Based on 59 resolved cases, 2023–2026

Rejection Statute Breakdown

42.2%
§101 Eligibility
7.6%
§102 Novelty
39.3%
§103 Obviousness
9.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18479461 SMART PACKAGING SYSTEMS WITH NONVOLATILE RESILIENT STORE Final Rejection Cilag GmbH International
18191140 MEDICAL INFORMATION PROCESSING SYSTEM, MEDICAL INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Final Rejection Canon Kabushiki Kaisha
18855172 INTERACTIVE TOOL TO IMPROVE RISK PREDICTION AND CLINICAL CARE FOR A DISEASE THAT AFFECTS MULTIPLE ORGANS Final Rejection THE JOHNS HOPKINS UNIVERSITY
18215960 PATIENT TREATMENT RECOMMENDATIONS Non-Final OA International Business Machines Corporation
18649145 INFORMATION EXTRACTION WITH LARGE LANGUAGE MODELS Final Rejection NEC Laboratories America, Inc.

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