Prosecution Insights
Last updated: October 26, 2026

Kristyn A Hall, USPTO Patent Examiner

Listed by the USPTO as HALL, KRISTYN A

Tech Center 3600 • Art Units: 3672 3676 3679

This examiner grants 82% of resolved cases

Performance Statistics

82.1%
Allow Rate
+30.1% vs TC avg
791
Total Applications
-5.9%
Interview Lift
817
Avg Prosecution Days
Based on 766 resolved cases, 2023–2026

Rejection Statute Breakdown

4.5%
§101 Eligibility
19.0%
§102 Novelty
43.5%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18146561 SLUG MONITORING AND FORECASTING IN PRODUCTION FLOWLINES THROUGH ARTIFICIAL INTELLIGENCE Non-Final OA Schlumberger Technology Corporation
19205002 TWO-PART DRILLING AND RUNNING TOOL Final Rejection Halliburton Energy Services, Inc.
19198377 CUTTER FORCES AND WEAR SEVERITY DETERMINATION FOR A DRILL BIT FOR DRILLING A WELLBORE Non-Final OA Halliburton Energy Services, Inc.
19198323 ESTIMATION OF ROCK ABRASIVENESS AND ROCK STRENGTH USING BIT RESPONSE DATA Non-Final OA Halliburton Energy Services, Inc.
18140844 JOB PLANNER FOR IMAGING TOOLS Non-Final OA Halliburton Energy Services, Inc.
17072851 USE OF RESIDUAL GRAVITATIONAL SIGNAL TO GENERATE ANOMALY DETECTION MODEL Non-Final OA HALLIBURTON ENERGY SERVICES, INC.

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Frequently Asked Questions

What is examiner Kristyn A Hall's allowance rate?

82.1% of resolved applications examined by Kristyn A Hall were allowed (766 resolved cases), compared with 65.2% across Art Unit 3672 over the last five years.

Does an interview help with examiner Kristyn A Hall?

This examiner's interview lift is -5.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kristyn A Hall take to allow a patent?

Applications allowed by Kristyn A Hall took 817 days on average from filing to allowance.

Which art unit does examiner Kristyn A Hall work in?

Kristyn A Hall examines applications in Art Unit 3672 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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