Prosecution Insights
Last updated: April 19, 2026

Examiner: MICHENER, BLAKE E

Tech Center 3600 • Art Units: 3676

This examiner grants 77% of resolved cases

Performance Statistics

76.9%
Allow Rate
+24.9% vs TC avg
888
Total Applications
+25.6%
Interview Lift
1038
Avg Prosecution Days
Based on 864 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
25.5%
§102 Novelty
36.6%
§103 Obviousness
29.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19300728 DOWNHOLE SAND AND GAS SEPARATOR Non-Final OA Endurance Lift Solutions, LLC
18812781 DOWNHOLE FLUID SEPARATOR IN LATERAL OF RE-ENTRY MULTILATERAL WELL Final Rejection Halliburton Energy Services, Inc.
17859539 SHIFTING SLEEVE OPERATED WITH PLUG AGAINST TWO OR MORE PLUG SEATS Non-Final OA Halliburton Energy Services, Inc.
19240793 METHOD TO MITIGATE WELLBORE INSTABILITIES Non-Final OA Schlumberger Technology Corporation
19289530 DOWNHOLE GAS SEPARATOR Non-Final OA Daniel J. Snyder
19285448 OMNIDIRECTIONAL SLIP BOWL Non-Final OA Consolidated Rig Works, L.P.
19282326 Apparatus To Move An Object In An Open Hole Section of A Wellbore Non-Final OA Ardyne Holdings Limited
19236546 TUBULAR STRING SHROUD SYSTEM Non-Final OA Expro North Sea Limited
18166123 EARTH-BORING TOOLS HAVING GAUGE CONFIGURATIONS FOR REDUCED CARBON FOOTPRINT, AND RELATED METHODS Non-Final OA Baker Hughes Oilfield Operations LLC
19074236 SYSTEM AND METHOD FOR RESPONSIVELY INJECTING CHEMISTRIES DIRECTLY INTO A DOWNHOLE SLURRY Non-Final OA SENTINEL SOLUTIONS LLC
17390037 SYSTEM AND METHOD FOR FORMATION MECHANICAL ANALYSIS Final Rejection MOTIVE DRILLING TECHNOLOGIES, INC.
18274585 CORE DRILL SYSTEM FOR EXCAVATOR Non-Final OA EGUN CO., LTD.
18748367 DART AND CLUTCH ASSEMBLY Final Rejection Epic Lift Systems
18663693 DOWNHOLE SEPARATOR Non-Final OA OILIFY NEW-TECH SOLUTIONS INC.
18644740 DRILLING TOOL AND METHOD FOR PRODUCING A BORE IN THE GROUND Non-Final OA BAUER Maschinen GmbH
18003159 IMPROVED DRILL BIT Final Rejection ZAC ANDREW WILSON

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