Prosecution Insights
Last updated: October 04, 2026

Expro North Sea Limited

Technology area: Semiconductors, Circuits & Optics

2 pending office actions • 2 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready • 6 patents granted in the last 365 days

Analysis

Expro North Sea Limited has 2 pending office actions within the Semiconductors, Circuits & Optics technology area. These actions are distributed across 2 distinct examiners and 2 distinct art units. This 1 to 1 ratio of actions to both examiners and art units indicates a diversified prosecution path for a portfolio of this size. The company's semiconductor and optics filings are being reviewed in different specialized environments within the patent office.

CULLER, JILL E is the busiest examiner, currently responsible for 1 busiest examiner pending office action. This 1 action represents 1 of the 2 pending office actions for the company. With 2 distinct examiners and 2 distinct art units involved, the company is receiving feedback from multiple reviewers. This variety can lead to different examination experiences even with a small number of active matters, as each case is being handled by a unique combination of examiner and art unit.

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

Portfolio Summary

2
Total Pending OAs
2
Non-Final OAs
0
Final Rejections
0
Advisory / Quayle

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

1
Hard (50%)
1
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (50%)
Multi-statute (no §101)1 (50%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
2
Semiconductors
100% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

20 h
Manual time on pending OAs
4 h
Time saved (low, 20%)
7 h
Time saved (mid, 35%)
0.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CULLER, JILL E 1 57.2% +13.9%
LEE, SANGKYUNG 1 60.1% +10.3%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18955606 SLICK SENSOR ARRAY SYSTEM AND METHOD TO SEAL PRESSURE SENSORS CULLER, JILL E —

Interview Candidates (2)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18955606 SLICK SENSOR ARRAY SYSTEM AND METHOD TO SEAL PRESSURE SENSORS CULLER, JILL E —
17956328 METHOD AND APPARATUS FOR MONITORING LONG LENGTH TUBULAR STRUCTURES LEE, SANGKYUNG —

Top Art Units

Art UnitApps
2853 1
2858 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18955606 SLICK SENSOR ARRAY SYSTEM AND METHOD TO SEAL PRESSURE SENSORS CULLER, JILL E 2853 §102§103 Non-Final OA — Pending Nov 21, 2024
17956328 METHOD AND APPARATUS FOR MONITORING LONG LENGTH TUBULAR STRUCTURES LEE, SANGKYUNG 2858 §103 Non-Final OA — Pending Sep 29, 2022

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