Prosecution Insights
Last updated: October 01, 2026

Examiner: FERGUSON SAMRETH, MARISSA LIANA

Tech Center 3600 • Art Units: 1782 1788 2853 2854 2893 3654

This examiner grants 70% of resolved cases

Analysis

Marissa Liana Ferguson Samreth operates in Tech Center 3600 and Art Unit 1782, with 791 resolved cases. Her allowance rate is 69.9 percent. This rate indicates that nearly 70 percent of the cases she resolves result in a patent grant. The 69.9 percent allowance rate provides a solid baseline for applicants seeking to secure intellectual property rights in this unit.

The interview lift is 11.0 percent. This positive lift suggests that interviews are a useful tool for practitioners, providing a measurable increase in the probability of allowance. For the 791 resolved cases, interviews have helped clarify technical points and move applications forward. Practitioners should use the 11.0 percent lift to address any concerns raised during the written examination phase.

The median days to allowance is 1005. This timeline provides a clear expectation for the duration of the prosecution process. Applicants can anticipate a generally favorable outcome, given the 69.9 percent allowance rate and the 11.0 percent interview lift. The 1005-day median is a key metric for managing the overall timeline of patent applications.

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

Performance Statistics

69.9%
Allow Rate
+17.9% vs TC avg
810
Total Applications
+11.0%
Interview Lift
1005
Avg Prosecution Days
Based on 791 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
24.0%
§102 Novelty
56.8%
§103 Obviousness
13.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19400529 LABEL PRINTER AND ASSOCIATED LABEL CUTTER AND CUTTER BLADE Non-Final OA ILLINOIS TOOL WORKS INC.
19389260 HIGH-SPEED GOLF BALL HANDLING AND MANAGEMENT SYSTEM Non-Final OA Acushnet Company
18256415 Method and device for printing onto containers made of glass Non-Final OA KRONES AG
18493379 MICRO SOLDER JOINT AND STENCIL APERTURE DESIGN Non-Final OA Sandisk Technologies, Inc.

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