Prosecution Insights
Last updated: October 02, 2026

Examiner: MACFARLANE, EVAN H

Tech Center 3700 • Art Units: 3724 3799

This examiner grants 51% of resolved cases

Analysis

Evan H. Macfarlane works in Tech Center 3700 and Art Unit 3724, with a history of 505 resolved cases. The data reveals an allowance rate of 50.7 percent, which indicates an environment where approximately half of the applications result in a grant. This probability of success is coupled with a median days to allowance of 1046, suggesting that the prosecution process typically spans this duration. Practitioners should prepare for an examination that requires consistent effort to reach a favorable conclusion based on these metrics.

The interview lift of 42.2 percent is a standout metric for this examiner. This lift is significant compared to the baseline allowance rate of 50.7 percent, suggesting that an interview can improve the chances of securing an allowance. For cases that face initial rejections, the lift indicates that verbal advocacy is a driver of positive outcomes. Given the 1046-day median pendency, practitioners should consider scheduling interviews to address rejections efficiently and potentially maintain the 50.7 percent probability of success in Art Unit 3724.

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
553
Total Applications
+42.2%
Interview Lift
1046
Avg Prosecution Days
Based on 505 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
18.6%
§102 Novelty
40.1%
§103 Obviousness
38.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18631663 CIRCULAR SAW Non-Final OA Black & Decker Inc.
18807617 Tool Head Final Rejection Milwaukee Electric Tool Corporation
18594515 POWERED TUBING CUTTER Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18645547 MITER SAW Final Rejection Nanjing Chervon Industry Co., Ltd.
18927393 FOOD PRODUCT SLICER AND SLICER SYSTEM Final Rejection ILLINOIS TOOL WORKS INC.
18904254 TABLE SAW BLADE GUARD Non-Final OA Robert Bosch GmbH
18931733 MEDIUM CONVEYING UNIT AND MEDIUM PROCESSING SYSTEM Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18345488 SHEET CUTTING APPARATUS Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18376620 REUSABLE FIXTURE ASSEMBLY FOR SLITTING A WORKPIECE INTO A SERPENTINE BODY Non-Final OA CORNING INCORPORATED
18090616 Electric Working Machine Final Rejection YAMABIKO CORPORATION
18784648 KNIFE WITH LOCK AND RELEASE Non-Final OA TECHTRONIC CORDLESS GP
18351631 OUTDOOR TOOL AND LUBRICATION SYSTEM THEREOF Non-Final OA Techtronic Cordless GP
18110227 Apparatus and method for converting a sheet into a continuous strip Final Rejection VMI HOLLAND B.V.
18708382 Positioning of a Position-Variable Stop Means of a Slicing Device for Slicing Food Non-Final OA GEA Food Solutions Germany GmbH
18715518 RAZOR CONNECTOR Final Rejection BIC Violex Single Member S.A.

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