Prosecution Insights
Last updated: October 02, 2026

Examiner: SLIFKA, COLIN W

Tech Center 1700 • Art Units: 1732 1793

This examiner grants 67% of resolved cases

Analysis

Colin W. Slifka manages a significant volume of 899 resolved cases in Art Unit 1732. He maintains an allowance rate of 67.2%, which provides a balanced outlook for applicants in Tech Center 1700. The median days to allowance is 1210, reflecting the typical pace of prosecution under his supervision. This volume of 899 cases suggests a well-established examination style that practitioners can rely on for planning purposes.

Interviews provide a 16.2% lift in allowance probability. While the 67.2% allowance rate is already substantial, the 16.2% lift suggests that verbal communication can effectively resolve outstanding issues. Practitioners should consider the 1210-day timeline when planning their filing and response strategies. The combination of a moderate allowance rate and a positive interview lift indicates that a proactive approach, including direct dialogue, is likely to yield favorable results over the course of prosecution.

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

Performance Statistics

67.2%
Allow Rate
+2.2% vs TC avg
912
Total Applications
+16.2%
Interview Lift
1210
Avg Prosecution Days
Based on 899 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
11.4%
§102 Novelty
54.3%
§103 Obviousness
25.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18565353 Electrode Assembly and Battery Cell Including Same Non-Final OA LG Energy Solution, Ltd.
18013824 ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Non-Final OA SAMSUNG SDI CO., LTD.
18551536 BATTERY INCLUDING FOLDED FOIL PORTION AND METHOD OF FABRICATING SAME Non-Final OA TECHTRONIC CORDLESS GP
18566665 ENERGY STORAGE APPARATUS Non-Final OA GS Yuasa International Ltd.
18371782 FOAMED ELECTRODE STRUCTURE Non-Final OA UT-Battelle, LLC
18372224 JOINING METHODS AND DEVICES MADE USING SAID METHODS Non-Final OA Soteria Battery Innovation Group, Inc.

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