Prosecution Insights
Last updated: October 27, 2026

Sarah M Monfeldt, USPTO Patent Examiner

Listed by the USPTO as MONFELDT, SARAH M

Tech Center 3600 • Art Units: 3629 3684 3689 3692 3694 3697

This examiner grants 24% of resolved cases

Analysis

Sarah M. Monfeldt, an examiner in Art Unit 3629 of Tech Center 3600, has resolved 164 cases. The allowance rate is 24.4 percent, which presents a challenging environment for applicants. However, the interview lift is 20.6 percent, indicating that an interview can significantly improve the statistical probability of receiving an allowance.

The median days to allowance is 1735, reflecting a long prosecution timeline. Toyota Motor Corporation, Micron Technology Inc., and Universidad Del País Vasco are the top companies on this docket. Firms like CANTOR COLBURN LLP and Harrity & Harrity, LLP must navigate the 24.4 percent allowance rate.

Practitioners should utilize the 20.6 percent interview lift to overcome the low baseline rate. The 1735-day median timeline is a critical factor for managing client expectations. With 164 resolved cases, the examiner's data provides a clear indication of the prosecution hurdles and the effectiveness of interviews in this unit.

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

Performance Statistics

24.4%
Allow Rate
-27.6% vs TC avg
168
Total Applications
+20.6%
Interview Lift
1735
Avg Prosecution Days
Based on 164 resolved cases, 2023–2026

Rejection Statute Breakdown

22.2%
§101 Eligibility
11.0%
§102 Novelty
40.1%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18604416 ELECTRIC VEHICLE RECOMMENDATION BASED ON HOME ENERGY USAGE Non-Final OA TOYOTA MOTOR NORTH AMERICA, INC.
18497642 USING MACHINE LEARNING TO IDENTIFY MEMORY COMPATIBILITY Non-Final OA Micron Technology, Inc.

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Frequently Asked Questions

What is examiner Sarah M Monfeldt's allowance rate?

24.4% of resolved applications examined by Sarah M Monfeldt were allowed (164 resolved cases), compared with 22.4% across Art Unit 3629 over the last five years.

Does an interview help with examiner Sarah M Monfeldt?

This examiner's interview lift is +20.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sarah M Monfeldt take to allow a patent?

Applications allowed by Sarah M Monfeldt took 1,735 days on average from filing to allowance.

Which art unit does examiner Sarah M Monfeldt work in?

Sarah M Monfeldt examines applications in Art Unit 3629 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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