Prosecution Insights
Last updated: October 02, 2026

Examiner: MCPARTLIN, SARAH BURNHAM

Tech Center 3900 • Art Units: 3636 3649 3678 3993

This examiner grants 70% of resolved cases

Analysis

Sarah Burnham McPartlin is a patent examiner in Tech Center 3900, working within Art Unit 3636. The examiner has 1210 resolved cases and an allowance rate of 69.8 percent. This 69.8 percent rate reflects the proportion of applications that reach a grant. For the 1210 cases handled, this data provides a basis for understanding the probability of success during the examination process. The volume of resolved cases reflects the examiner's experience within Tech Center 3900.

The median days to allowance for this examiner is 865. This 865-day timeline represents the duration for an application to move from filing to a grant. Applicants should consider this period when planning their patent strategy and resource allocation. The volume of 1210 resolved cases suggests that this duration is a consistent aspect of the examiner's workflow in Art Unit 3636. This median provides a specific metric for evaluating the expected length of prosecution.

The data shows an interview lift of 22.4 percent. This 22.4 percent lift represents the change in the likelihood of allowance when an interview is conducted. It suggests that direct communication is a method for addressing the probability of a grant. For practitioners, utilizing an interview is an option to navigate the prosecution process and achieve a positive outcome. Practitioners can use this lift to evaluate the potential benefits of direct engagement.

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

Performance Statistics

69.8%
Allow Rate
+9.8% vs TC avg
1,223
Total Applications
+22.4%
Interview Lift
865
Avg Prosecution Days
Based on 1210 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
23.1%
§102 Novelty
38.2%
§103 Obviousness
31.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18969166 CONTACT CLEANING SYSTEM, ADHESIVE ROLL AND METHOD OF FORMING AN ADHESIVE ROLL Non-Final OA Illinois Tool Works Inc.
18197661 RECOGNITION OF IMPLANTABLE MEDICAL DEVICE Final Rejection Cochlear Limited
18750517 FASTENER FOR NON-FOAM CUSHION Non-Final OA Lear Corporation
18883468 SPEAKER ENCLOSURE, SPEAKER ASSEMBLY, AND SEAT ASSEMBLY Non-Final OA Harman Becker Automotive Systems, Inc.
18976513 Bath and Shower Scrubber Non-Final OA Smoosh, LLC
18868265 METHOD FOR SEPARATING BRISTLE BUNDLES, SEPARATING DEVICE, AND BRUSH-FILING MACHINE Non-Final OA Zahoransky AG
18863116 BARRIER Final Rejection COCHRANE GULF FZE

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