Prosecution Insights
Last updated: October 25, 2026

OSG Corporation

Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering

4 pending office actions • 2 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Analysis

OSG Corporation has 4 pending office actions in Medical Devices & Mechanical Engineering. The docket involves 4 examiners and 2 art units, indicating separate examiner relationships within a smaller number of technical groupings.

VITALE, MICHAEL J is the busiest examiner, with 1 pending matter. Counsel should coordinate the cases by art unit while preserving individualized response strategies for each examiner assignment.

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

Portfolio Summary

4
Total Pending OAs
2
Non-Final OAs
2
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.

3
Hard (75%)
1
Medium (25%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (25%)
Multi-statute (no §101)3 (75%)

Industry Mix

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

1
Life Sciences
25% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
3
Mechanical / Eng
75% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VITALE, MICHAEL J 1 67.2% +34.9%
RAMOS, NICOLE N 1 81.5% +9.9%
YANG, ZHEREN J 1 57.3% +52.8%
RUFO, RYAN C 1 59.0% +40.8%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
19100259 THREAD MILL VITALE, MICHAEL J —
18878874 THREAD FORMING TAP RAMOS, NICOLE N —
18254728 END MILL RUFO, RYAN C —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
19100259 THREAD MILL VITALE, MICHAEL J —
18689332 HARD COATING, HARD-COATING COATED TOOL, AND PRODUCTION METHOD FOR HARD COATING YANG, ZHEREN J —
18254728 END MILL RUFO, RYAN C —

Top Art Units

Art UnitApps
3722 3
1781 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19100259 THREAD MILL VITALE, MICHAEL J 3722 §102§103§112 Non-Final OA — Pending Jan 31, 2025
18878874 THREAD FORMING TAP RAMOS, NICOLE N 3722 §102§112 Non-Final OA — Pending Dec 24, 2024
18689332 HARD COATING, HARD-COATING COATED TOOL, AND PRODUCTION METHOD FOR HARD COATING YANG, ZHEREN J 1781 §103 Final Rejection — Pending Mar 05, 2024
18254728 END MILL RUFO, RYAN C 3722 §102§103§112 Final Rejection — Pending May 26, 2023

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Frequently Asked Questions

How many pending USPTO office actions does OSG Corporation have?

OSG Corporation has 4 pending office actions as of October 2026, spread across 2 art units and 4 examiners.

Which USPTO examiner handles the most OSG Corporation applications?

Michael J Vitale has the most, with 1 of OSG Corporation's pending office actions.

What technology area are OSG Corporation'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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