Prosecution Insights
Last updated: October 25, 2026

MITSUBISHI TANABE PHARMA Corporation

Technology areas: Biotechnology & Pharmaceuticals • Transportation, E-Commerce & Mechanical Systems

10 pending office actions • 9 art units • 10 examiners • 0 of 10 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Analysis

MITSUBISHI TANABE PHARMA Corporation has 10 pending office actions in Biotechnology & Pharmaceuticals. The matters involve 10 distinct examiners across 9 distinct art units. Examiner assignments are fully distributed, while the art-unit data shows limited overlap in technical examination settings.

PORTER, RACHEL L is the busiest examiner, with 1 pending matter. The profile does not identify repeated examiner concentration. Counsel should therefore organize prosecution by application and art unit, while maintaining consistent positions on recurring pharmaceutical claim issues where the subject matter supports that approach.

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

Portfolio Summary

10
Total Pending OAs
6
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)

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 (30%)
4
Medium (40%)
3
Easy (30%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (20%)
§103 only1 (10%)
§102 only2 (20%)
§112 only3 (30%)
Double-patenting + other1 (10%)
Multi-statute (no §101)1 (10%)

Industry Mix

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

7
Life Sciences
70% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
20% of docket
1
Business / Other
10% 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.

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

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PORTER, RACHEL L 1 21.5% +24.5%
ISMAIL, REHANA 1 76.2% +34.8%
SULLIVAN, STEPHANIE LAUREN 1 57.1% +38.1%
WILLIS, DOUGLAS M 1 82.4% +19.7%
GARTLAND, SCOTT D 1 10.9% +12.2%
LEE, WILLIAM Y 1 48.0% +34.1%
FERGUSON, JALISA HOLMES 1 62.2% +41.2%
MOSELEY II, NELSON B 1 67.9% +41.7%
WANG, CHANG YU 1 33.4% +53.7%
PETRASH, HILARY ANN 1 65.6% +50.2%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18730540 METHODS OF TREATING HYPERTENSION BY PERIODIC SUPPRESSION OF ALDOSTERONE SYNTHASE WILLIS, DOUGLAS M —

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
17258741 PREVENTION OR TREATMENT METHOD FOR PERIPHERAL NEUROPATHY OR PAIN ACCOMPANYING DISEASE IN WHICH PERIPHERAL NEUROPATHY OR ASTROCYTE DISORDER IS RECOGNIZED PETRASH, HILARY ANN 125d overdue
18858801 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM PORTER, RACHEL L —
18715127 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM GARTLAND, SCOTT D —

Interview Candidates (10)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
17258741 PREVENTION OR TREATMENT METHOD FOR PERIPHERAL NEUROPATHY OR PAIN ACCOMPANYING DISEASE IN WHICH PERIPHERAL NEUROPATHY OR ASTROCYTE DISORDER IS RECOGNIZED PETRASH, HILARY ANN 125d overdue
17757955 AGENT FOR PREVENTING OR TREATING ACUTE-PHASE NEUROMYELITIS OPTICA WANG, CHANG YU 49d overdue
17792673 AGENT FOR PREVENTION OR TREATMENT OF DIABETIC AUTONOMIC NEUROPATHY MOSELEY II, NELSON B 36d overdue
18858801 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM PORTER, RACHEL L —
18872328 SOLID FORMS OF RXFP1 MODULATORS ISMAIL, REHANA —
17442798 COMPOUND, METHOD AND PHARMACEUTICAL COMPOSITION FOR MODULATING EXPRESSION OF DUX4 SULLIVAN, STEPHANIE LAUREN —
18730540 METHODS OF TREATING HYPERTENSION BY PERIODIC SUPPRESSION OF ALDOSTERONE SYNTHASE WILLIS, DOUGLAS M —
18715127 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM GARTLAND, SCOTT D —

Top Art Units

Art UnitApps
3684 1
1625 1
1635 1
3685 1
1623 1
1626 1
1642 1
1675 1
1644 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18858801 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM PORTER, RACHEL L 3684 §101§102§103§112 Non-Final OA — Pending Jul 23, 2025
18872328 SOLID FORMS OF RXFP1 MODULATORS ISMAIL, REHANA 1625 §112 Non-Final OA — Pending Dec 06, 2024
17442798 COMPOUND, METHOD AND PHARMACEUTICAL COMPOSITION FOR MODULATING EXPRESSION OF DUX4 SULLIVAN, STEPHANIE LAUREN 1635 §112 Final Rejection — Pending Aug 15, 2024
18730540 METHODS OF TREATING HYPERTENSION BY PERIODIC SUPPRESSION OF ALDOSTERONE SYNTHASE WILLIS, DOUGLAS M — §112Other Non-Final OA — Pending Jul 19, 2024
18715127 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM GARTLAND, SCOTT D 3685 §101§102§103§112 Final Rejection — Pending May 31, 2024
18172449 COMPOUNDS AND THEIR USE LEE, WILLIAM Y 1623 §102§112DP Non-Final OA — Pending Feb 22, 2023
17915794 HYDROXYPYRROLIDINE DERIVATIVE AND MEDICINAL APPLICATION THEREOF FERGUSON, JALISA HOLMES 1626 §102 Final Rejection — Pending Sep 29, 2022
17792673 AGENT FOR PREVENTION OR TREATMENT OF DIABETIC AUTONOMIC NEUROPATHY MOSELEY II, NELSON B 1642 §103 Non-Final OA 36d overdue Pending Jul 13, 2022
17757955 AGENT FOR PREVENTING OR TREATING ACUTE-PHASE NEUROMYELITIS OPTICA WANG, CHANG YU 1675 §102 Non-Final OA 49d overdue Pending Jun 24, 2022
17258741 PREVENTION OR TREATMENT METHOD FOR PERIPHERAL NEUROPATHY OR PAIN ACCOMPANYING DISEASE IN WHICH PERIPHERAL NEUROPATHY OR ASTROCYTE DISORDER IS RECOGNIZED PETRASH, HILARY ANN 1644 §102§103§112Other Final Rejection 125d overdue Pending Jan 07, 2021

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Frequently Asked Questions

How many pending USPTO office actions does MITSUBISHI TANABE PHARMA Corporation have?

MITSUBISHI TANABE PHARMA Corporation has 10 pending office actions as of October 2026, spread across 9 art units and 10 examiners.

Which USPTO examiner handles the most MITSUBISHI TANABE PHARMA Corporation applications?

Rachel L Porter has the most, with 1 of MITSUBISHI TANABE PHARMA Corporation's pending office actions.

What technology area are MITSUBISHI TANABE PHARMA Corporation's patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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