Prosecution Insights
Last updated: October 25, 2026

Centinel Spine LLC

Technology area: Medical Devices & Mechanical Engineering

2 pending office actions • 1 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready

Analysis

Centinel Spine LLC is currently navigating 2 pending office actions within the Medical Devices & Mechanical Engineering technology area. Both of these actions are located within 1 distinct art unit, showing a high level of technical consistency in the pending portfolio. The prosecution involves a pair of distinct examiners, meaning each case is being reviewed by a different person despite the shared technical group.

GREEN, MICHELLE CHRISTINE is the busiest examiner with 1 pending office action. With 2 pending office actions and a pair of distinct examiners, the workload is split across the portfolio. The fact that both examiners are in a distinct art unit is significant for practitioners, as it implies that the same set of examination guidelines and prior art landscapes will likely apply to both matters. This concentration within a single art unit may allow for a more unified strategy across the 2 pending office actions. Each of the distinct examiners will bring an individual perspective to the shared technical standards of the 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
Double-patenting + other1 (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
0
Semiconductors
0% of docket
2
Mechanical / Eng
100% 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
GREEN, MICHELLE CHRISTINE 1 83.0% +12.2%
HARVEY, JULIANNA NANCY 1 77.7% +19.1%

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
19410553 INTERVERTEBRAL DISC IMPLANTS HAVING VARYING ENDPLATE GEOMETRIES GREEN, MICHELLE CHRISTINE —

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
19410553 INTERVERTEBRAL DISC IMPLANTS HAVING VARYING ENDPLATE GEOMETRIES GREEN, MICHELLE CHRISTINE —
18901592 INTERVERTEBRAL IMPLANT WITH COMBINATION FIXATION ELEMENTS HARVEY, JULIANNA NANCY —

Top Art Units

Art UnitApps
3773 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19410553 INTERVERTEBRAL DISC IMPLANTS HAVING VARYING ENDPLATE GEOMETRIES GREEN, MICHELLE CHRISTINE 3773 §102§103 Non-Final OA — Pending Dec 05, 2025
18901592 INTERVERTEBRAL IMPLANT WITH COMBINATION FIXATION ELEMENTS HARVEY, JULIANNA NANCY 3773 §112DP Non-Final OA — Pending Sep 30, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Centinel Spine LLC have?

Centinel Spine LLC has 2 pending office actions as of October 2026, spread across 1 art units and 2 examiners.

Which USPTO examiner handles the most Centinel Spine LLC applications?

Michelle Christine Green has the most, with 1 of Centinel Spine LLC's pending office actions.

What technology area are Centinel Spine LLC's patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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