Prosecution Insights
Last updated: October 02, 2026

Examiner: LAMBERT, DAVID W

Tech Center 2600 • Art Units: 2634 2636

This examiner grants 77% of resolved cases

Analysis

David W Lambert works in Tech Center 2600 and Art Unit 2634 with 512 resolved cases. His allowance rate pct is 76.6, and the median days to allowance is 778. These metrics indicate the prosecution process in his docket. The 778-day median to allowance is an indicator for applicants seeking a grant and can be used to estimate the time to issuance.

The interview lift pct of 12.7 shows that interviews provide an increase in the probability of a grant. This 12.7 lift suggests that direct engagement is a way to resolve issues and potentially improve the 76.6 allowance rate pct. The 512 resolved cases reflect the pattern of examiner behavior. Practitioners can use the 12.7 lift as a strategic tool to move applications toward a resolution within the 778-day median period.

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

Performance Statistics

76.6%
Allow Rate
+14.6% vs TC avg
517
Total Applications
+12.7%
Interview Lift
778
Avg Prosecution Days
Based on 512 resolved cases, 2023–2026

Rejection Statute Breakdown

2.2%
§101 Eligibility
13.0%
§102 Novelty
48.5%
§103 Obviousness
31.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18787886 OPTICAL COHERENT RECEIVER ON A CHIP Non-Final OA Intel Corporation
18758371 SWITCHING AVAILABILITY DIAGNOSTIC DEVICE AND OPTICAL SWITCH DEVICE Non-Final OA Mitsubishi Electric Corporation
18610629 OPTICAL DETECTION DEVICE AND SIGNAL PROCESSING METHOD Non-Final OA TDK Corporation

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