Prosecution Insights
Last updated: May 29, 2026

Examiner: YAO, THEODORE N

Tech Center 3600 • Art Units: 3676

This examiner grants 68% of resolved cases

Performance Statistics

67.7%
Allow Rate
+15.7% vs TC avg
329
Total Applications
+37.6%
Interview Lift
1053
Avg Prosecution Days
Based on 285 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
3.9%
§102 Novelty
81.1%
§103 Obviousness
9.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19232491 VOLTAGE TO ACCELERATE/DECELERATE EXPANDABLE METAL Non-Final OA Halliburton Energy Services, Inc.
18350367 FLUID MULTISAMPLE CAPTURING WITH TRANSLATING MEMBER Final Rejection Halliburton Energy Services, Inc.
18303987 RESETTABLE BACKUP AND SYSTEM Final Rejection Baker Hughes Oilfield Operations LLC
18532600 TUBULAR COMPENSATION SYSTEM Non-Final OA WEATHERFORD TECHNOLOGY HOLDINGS, LLC
18859921 Surge Pressure Reduction Apparatus with Convertible Diverter Device and Integrity Verification Device Non-Final OA Trenergy Investments, LLC
18530973 HORIZONTAL DIRECTIONAL DRILLING RIG Final Rejection LaValley Industries, LLC
18276938 VOID FORMING MODULE, METHOD OF PREPARING A STRUCTURE AND USE OF SUCH MODULE IN THE PREPARATION OF A STRUCTURE Non-Final OA WATER PRODUCTS LIMITED
18226871 Apparatus and system for surface processing of plastically deformable masses Non-Final OA PLANUM Int. AG
18125522 Chemical Bypass for a Packer in a Wellstring Non-Final OA WellWorx Energy Solutions LLC
18023855 WATER DIGGER Non-Final OA Alexei Egmar KRASS DE KRASSNOKUTSKI
18078695 Plug Assembly with Sloped Walls Non-Final OA TCO AS
18078669 Height Adjuster for Glass Assembly Final Rejection TCO AS
17768417 APPARATUS FOR DRILLING AND POSITIONING A COLLAR SUPPORT SLEEVE INTO A BLAST HOLE Final Rejection AQUIRIAN TECHNOLOGY PTY LTD
17431242 SYSTEM AND METHOD FOR HANDLING DRILL RODS Non-Final OA TITELINE SERVICES PTY LTD

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