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Office Actions › Halliburton Energy Services, Inc. › 18893134
Last updated: April 24, 2026
Application No. 18/893,134

Untitled Application

Unknown
Filed
3600
Examiner
HUTCHINS, CATHLEEN R
Art Unit
3672
Tech Center
Halliburton Energy Services, Inc.
Assignee
Halliburton Energy Services, Inc.
OA Round
3 (Non-Final)
84%
Grant Probability
Favorable
3-4
OA Rounds
2y 9m
To Grant
92%
With Interview

Interview Optional

— +7.9% interview lift. This examiner has a relatively high allow rate; a written response may suffice.
Based on 1123 resolved cases, 2023–2026

Examiner Intelligence

HUTCHINS, CATHLEEN R View full profile →
Grants 84% — above average
84%
Career Allow Rate
941 granted / 1123 resolved
+23.8% vs TC avg
Moderate +8% lift
Without
With
+7.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
32 currently pending
Career history
1155
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
42.0%
+2.0% vs TC avg
§102
33.9%
-6.1% vs TC avg
§112
17.1%
-22.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1123 resolved cases

Prosecution Timeline

3600
Application Filed
May 23, 2025
Non-Final Rejection
Aug 14, 2025
Response Filed
Oct 15, 2025
Final Rejection
Dec 11, 2025
Request for Continued Examination
Dec 20, 2025
Response after Non-Final Action
Feb 06, 2026
Non-Final Rejection
Apr 13, 2026
Examiner Interview Summary
Apr 13, 2026
Applicant Interview (Telephonic)

Precedent Cases

Applications granted by this same examiner with similar technology

18/223,638
Patent 12588598
LIFT SYSTEM FOR BUBBLE UP AUGER OF COMBINE HARVESTER
2y 5m to grant Granted Mar 31, 2026
18/233,387
Patent 12588602
UNLOAD TUBE LOCK FOR AGRICULTURAL VEHICLE
2y 5m to grant Granted Mar 31, 2026
18/738,189
Patent 12590494
DRILLING TOOL HAVING PRE-FABRICATED COMPONENTS
2y 5m to grant Granted Mar 31, 2026
17/906,235
Patent 12584199
DRILL BIT COMPACT AND METHOD INCLUDING GRAPHENE
2y 5m to grant Granted Mar 24, 2026
18/144,891
Patent 12582028
LINKAGE FOR CUTTERBAR OF HEADER FOR AGRICULTURAL VEHICLE
2y 5m to grant Granted Mar 24, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
84%
Grant Probability
92%
With Interview (+7.9%)
2y 9m
Median Time to Grant
High
PTA Risk
Based on 1123 resolved cases by this examiner. Grant probability derived from career allow rate.

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