Prosecution Insights
Last updated: October 27, 2026

Kathleen Mavourneen Mcfarland, USPTO Patent Examiner

Listed by the USPTO as MCFARLAND, KATHLEEN MAVOURNEEN

Tech Center 3600 • Art Units: 3635 3637

This examiner grants 60% of resolved cases

Analysis

MCFARLAND, KATHLEEN MAVOURNEEN is assigned to Tech Center 3600 and art unit 3635. The record covers 162 resolved cases, with an allowance rate of 59.9%. The median time to allowance is 1307 days, indicating that cases reaching allowance generally remain in prosecution for an extended period. The case base is large enough to show a recurring pattern, while still warranting matter-specific review.

The interview lift is 12.5%, linking interviews with a modest improvement in allowance outcomes. Counsel may use interviews to focus the examiner discussion, but the timeline supports planning for continued written prosecution as well. The leading companies are The Boeing Company, MSA Safety Incorporated, and 3M Innovative Properties Company. The leading firms are Jones Day for MSA, AVEK IP, LLC (OP Orig), and Banner & Witcoff, LTD.

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

Performance Statistics

59.9%
Allow Rate
+7.9% vs TC avg
205
Total Applications
+12.5%
Interview Lift
1307
Avg Prosecution Days
Based on 162 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
28.1%
§102 Novelty
51.8%
§103 Obviousness
19.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18018806 SAFETY HARNESS WITH PSEUDO-CROSSOVER VENTRAL STRAPS Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18199458 LIFT STEERING SYSTEMS AND METHODS Final Rejection Oshkosh Corporation
18510353 COLLAPSIBLE GUARDRAILS Final Rejection The Boeing Company
18324436 FALL PROTECTION SYSTEMS AND METHODS Final Rejection The Boeing Company

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Frequently Asked Questions

What is examiner Kathleen Mavourneen Mcfarland's allowance rate?

59.9% of resolved applications examined by Kathleen Mavourneen Mcfarland were allowed (162 resolved cases), compared with 58.9% across Art Unit 3635 over the last five years.

Does an interview help with examiner Kathleen Mavourneen Mcfarland?

This examiner's interview lift is +12.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kathleen Mavourneen Mcfarland take to allow a patent?

Applications allowed by Kathleen Mavourneen Mcfarland took 1,307 days on average from filing to allowance.

Which art unit does examiner Kathleen Mavourneen Mcfarland work in?

Kathleen Mavourneen Mcfarland examines applications in Art Unit 3635 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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