Prosecution Insights
Last updated: October 26, 2026

Evan H Macfarlane, USPTO Patent Examiner

Listed by the USPTO as MACFARLANE, EVAN H

Tech Center 3700 • Art Units: 3724 3799

This examiner grants 51% of resolved cases

Analysis

MACFARLANE, EVAN H examines in tech center 3700 and art unit 3724. The profile includes 509 resolved cases, a 50.7% allowance rate, and a median of 1046 days to allowance. Interviews are associated with a 42.3% lift, making them a notable consideration for prosecution strategy. The allowance rate is close to an even split, so claim refinement and response execution remain important.

The leading companies are MILWAUKEE ELECTRIC TOOL Corporation, Brother Kogyo Kabushiki Kaisha, and Festool GmbH. The listed firms are LEYDIG VOIT & MAYER, LTD, ANDRUS INTELLECTUAL PROPERTY LAW, LLP, and BRAKE HUGHES BELLERMANN LLP. The substantial record supports planning for an examiner where interviews may materially affect outcomes, while the median timeline calls for attention to prosecution efficiency.

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

Performance Statistics

50.7%
Allow Rate
-19.3% vs TC avg
558
Total Applications
+42.3%
Interview Lift
1046
Avg Prosecution Days
Based on 509 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
18.5%
§102 Novelty
39.8%
§103 Obviousness
39.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18345488 SHEET CUTTING APPARATUS Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18807617 Tool Head Final Rejection Milwaukee Electric Tool Corporation
18594515 POWERED TUBING CUTTER Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18904254 TABLE SAW BLADE GUARD Non-Final OA Robert Bosch GmbH
18784648 KNIFE WITH LOCK AND RELEASE Non-Final OA TECHTRONIC CORDLESS GP
18351631 OUTDOOR TOOL AND LUBRICATION SYSTEM THEREOF Final Rejection Techtronic Cordless GP
18631663 CIRCULAR SAW Non-Final OA Black & Decker Inc.
19236083 SUCTION DEVICE AND HANDHELD POWER SAW MACHINE EQUIPPED THEREWITH Non-Final OA Festool GmbH
17866873 ANGLE STOP Non-Final OA Festool GmbH
18376620 REUSABLE FIXTURE ASSEMBLY FOR SLITTING A WORKPIECE INTO A SERPENTINE BODY Non-Final OA CORNING INCORPORATED
18468308 SENSOR-BASED SYSTEMS AND METHODS OF ANALYZING SHAVING USAGE Non-Final OA The Gillette Company LLC
18468262 SENSOR-BASED SYSTEMS AND METHODS OF ANALYZING SHAVING USAGE Non-Final OA The Gillette Company LLC
19058877 TELESCOPIC HAND TOOL, IN PARTICULAR A TELESCOPIC PRUNER Non-Final OA Husqvarna AB

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Frequently Asked Questions

What is examiner Evan H Macfarlane's allowance rate?

50.7% of resolved applications examined by Evan H Macfarlane were allowed (509 resolved cases), compared with 47.4% across Art Unit 3724 over the last five years.

Does an interview help with examiner Evan H Macfarlane?

This examiner's interview lift is +42.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Evan H Macfarlane take to allow a patent?

Applications allowed by Evan H Macfarlane took 1,046 days on average from filing to allowance.

Which art unit does examiner Evan H Macfarlane work in?

Evan H Macfarlane examines applications in Art Unit 3724 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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