Prosecution Insights
Last updated: October 27, 2026

Sarah Burnham Mcpartlin, USPTO Patent Examiner

Listed by the USPTO as MCPARTLIN, SARAH BURNHAM

Tech Center 3900 • Art Units: 3636 3649 3678 3993

This examiner grants 70% of resolved cases

Analysis

Sarah Burnham McPartlin has extensive experience in Tech Center 3900 and Art Unit 3636, with 1211 resolved cases. Her allowance rate is 69.9 percent. The median days to allowance for these cases is 865 days. These figures demonstrate a high volume of resolutions with a consistent rate of patent grants for applicants in her art unit.

An interview lift of 22.3 percent suggests that direct engagement with the examiner is beneficial for applicants. This lift indicates a higher probability of success for cases that include an interview compared to the 69.9 percent baseline. Lear Corporation, Illinois Tool Works Inc., and Cochlear Limited are her top corporate applicants. ALSTON & BIRD LLP, BACON & THOMAS, PLLC, and Brown Rudnick LLP are the firms most frequently appearing in her records.

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

Performance Statistics

69.9%
Allow Rate
+9.9% vs TC avg
1,233
Total Applications
+22.3%
Interview Lift
865
Avg Prosecution Days
Based on 1211 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
23.0%
§102 Novelty
38.1%
§103 Obviousness
31.4%
§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
18971831 PEPPERONI SLICING SYSTEM Final Rejection EZ Topping Systems, LLC
18824284 Boat Lift Final Rejection Individual inventor

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Who Appears Before This Examiner

Top companies before this examiner

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Frequently Asked Questions

What is examiner Sarah Burnham Mcpartlin's allowance rate?

69.9% of resolved applications examined by Sarah Burnham Mcpartlin were allowed (1,211 resolved cases), compared with 64.2% across Art Unit 3636 over the last five years.

Does an interview help with examiner Sarah Burnham Mcpartlin?

This examiner's interview lift is +22.3 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 Burnham Mcpartlin take to allow a patent?

Applications allowed by Sarah Burnham Mcpartlin took 865 days on average from filing to allowance.

Which art unit does examiner Sarah Burnham Mcpartlin work in?

Sarah Burnham Mcpartlin examines applications in Art Unit 3636 in Tech Center 3900.

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