Prosecution Insights
Last updated: October 02, 2026

Examiner: BLACKWELL-RUDASIL, RYAN KENZIE

Tech Center 4100 • Art Units: 1722 1725 1726 4100

This examiner grants 62% of resolved cases

Analysis

Ryan Kenzie Blackwell-Rudasil works in Tech Center 4100 and Art Unit 1722. The examiner has 20 resolved cases and an allowance rate pct of 60.0. This indicates a better than average chance of allowance. The median days to allowance is 1273. The interview lift pct is 33.3, suggesting that interviews are highly beneficial for applicants in this docket. This 33.3 lift pct is a strong indicator that direct communication can significantly improve the 60.0 allowance rate pct.

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

Performance Statistics

61.9%
Allow Rate
+1.9% vs TC avg
57
Total Applications
+30.0%
Interview Lift
1275
Avg Prosecution Days
Based on 21 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
20.2%
§102 Novelty
57.4%
§103 Obviousness
18.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18470727 ANODE-SOLID ELECTROLYTE SUB-ASSEMBLY FOR SOLID-STATE SECONDARY BATTERY, SOLID-STATE SECONDARY BATTERY INCLUDING ANODE-SOLID ELECTROLYTE SUB-ASSEMBLY, AND METHOD OF PREPARING ANODE-SOLID ELECTROLYTE SUB-ASSEMBLY Non-Final OA Samsung Electronics Co., Ltd.
17835758 CYANO-CONTAINING ORGANOTRIFLUOROBORATE ADDITIVES FOR LITHIUM ION BATTERIES Non-Final OA Apple Inc.
18589508 COMPOSITE SOLID ELECTROLYTE AND SOLID-STATE BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18572908 POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18019313 Positive Electrode Active Material and Method of Preparing the Same Final Rejection LG Chem, Ltd.
18683036 Method for Sealing Pouch-Type Secondary Battery, Method for Manufacturing Pouch-Type Secondary Battery, Apparatus for Sealing Pouch-Type Secondary Battery, and Pouch-Type Secondary Battery Manufactured Using the Same Non-Final OA LG Energy Solution, Ltd.
18290861 POROUS COMPOSITE CERAMIC SEPARATOR, ELECTROCHEMICAL DEVICE COMPRISING THE SAME, AND METHOD FOR MANUFACTURING THE POROUS COMPOSITE CERAMIC SEPARATOR Non-Final OA LG ENERGY SOLUTION, LTD.
18008009 NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
17924056 Method for Manufacturing Electrode Assembly and Electrochemical Device Including Electrode Assembly Non-Final OA LG Energy Solution, Ltd.
17799096 BUTTON-TYPE SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
17772240 ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18104495 BATTERY SYSTEM WITH ACTIVE COOLING OF VENTING CHANNEL Final Rejection SAMSUNG SDI CO., LTD.
18010600 BINDER SUITABLE FOR ELECTRICITY STORAGE DEVICE ELECTRODES, BINDER SOLUTION FOR ELECTRICITY STORAGE DEVICE ELECTRODES, ELECTRICITY STORAGE DEVICE ELECTRODE SLURRY, ELECTRICITY STORAGE DEVICE ELECTRODE, AND ELECTRICITY STORAGE DEVICE Non-Final OA KURARAY CO., LTD.
18007891 REDUCING BUBBLE ACCUMULATION ON ELECTRODES, AND RELATED ARTICLES AND SYSTEMS Final Rejection Massachusetts Institute of Technology
17718813 Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same Final Rejection SK ON CO., LTD.
18475519 BOX BODY OF POWER BATTERY, POWER BATTERY, ELECTRIC DEVICE, AND TEMPERATURE DIFFERENCE SELF-ADJUSTING COLD PLATE Non-Final OA BYD COMPANY LIMITED
18604109 HIGH PERFORMANCE BATTERY SEPARATOR MEMBRANE Non-Final OA VIAVI Solutions Inc.
17722372 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Prime Planet Energy & Solutions, Inc.
18005212 METHOD OF PRODUCING NICKEL-CONTAINING HYDROXIDE, METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY Non-Final OA SUMITOMO METAL MINING CO., LTD.
18489566 BINDER FOR LITHIUM-SULFUR ELECTRODE, POSITIVE ELECTRODE INCLUDING THE SAME, AND LITHIUM-SULFUR SECONDARY BATTERY INCLUDING THE SAME Final Rejection KOREA ELECTRONICS TECHNOLOGY INSTITUTE
18179455 ELECTRODES AND BATTERIES COMPRISING THE SAME Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18015423 SECONDARY BATTERY WITH IMPROVED BATTERY SEPARATOR Final Rejection Celgard, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month