Prosecution Insights
Last updated: October 02, 2026

Examiner: CARCANAGUE, DANIEL R

Tech Center 1600 • Art Units: 1621 1625

This examiner grants 81% of resolved cases

Analysis

Daniel R. Carcanague is an examiner in Art Unit 1621 of Tech Center 1600. With 930 resolved cases, this examiner has a high volume of experience, indicating a deep familiarity with the subject matter. The allowance rate is 80.8 percent, which suggests a favorable disposition toward granting patents in this field. This rate provides a degree of confidence for applicants in Art Unit 1621.

The median days to allowance is 616 days, which is an efficient timeline for prosecution. Additionally, the interview lift is 24.5 percent. This lift indicates that even with an allowance rate of 80.8 percent, conducting an interview further increases the probability of a successful outcome. It suggests that the examiner uses interviews to bridge any remaining gaps in the application efficiently.

The combination of 930 resolved cases and a 616-day median pendency suggests a productive examination environment. The 24.5 percent interview lift provides an incentive for practitioners to engage directly with the examiner to expedite the process. These metrics reflect a streamlined process for applicants in Art Unit 1621, making it a productive path to allowance.

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

Performance Statistics

80.8%
Allow Rate
+20.8% vs TC avg
932
Total Applications
+24.5%
Interview Lift
616
Avg Prosecution Days
Based on 930 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
18.4%
§102 Novelty
25.0%
§103 Obviousness
34.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18746981 PYRIDINE DERIVATIVES AND THEIR USE AS SODIUM CHANNEL ACTIVATORS Non-Final OA Xenon Pharmaceuticals Inc.

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