Prosecution Insights
Last updated: October 25, 2026

Rohto Pharmaceutical Co., Ltd.

Technology area: Biotechnology & Pharmaceuticals

9 pending office actions • 6 art units • 9 examiners • 0 of 9 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Rohto Pharmaceutical Co., Ltd. has 9 pending office actions in Biotechnology & Pharmaceuticals. The matters involve 9 examiners across 6 art units, showing that examiner diversity is broader than art-unit diversity and that some technical groups contain more than one matter.

HOLLOMAN, NANNETTE is the busiest examiner, with 1 pending matter. No examiner holds a larger identified concentration, so prosecution oversight should prioritize consistent portfolio positioning while tailoring responses to each examiner and art unit.

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

Portfolio Summary

9
Total Pending OAs
5
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.

2
Overdue
0
Due this week
0
Due this month
1
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 (2)Due ≤ 60 days (1)

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.

2
Hard (22%)
7
Medium (78%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (56%)
§102 only1 (11%)
Double-patenting + other1 (11%)
Multi-statute (no §101)2 (22%)

Industry Mix

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

8
Life Sciences
89% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
1
Business / Other
11% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
HOLLOMAN, NANNETTE 1 60.7% +23.1%
RIGA, MICHAEL ANGELO 1 56.2% +63.0%
EBBINGHAUS, BRIANA NOEL 1 59.7% +63.0%
ABBAS, ABDULRAHMAN MUSTAFA 1 51.6% +29.8%
KRISHNAN, GANAPATHY 1 52.7% +1.3%
FAY, ZOHREH ALEMZADEH 1 52.1% -6.2%
WELLES, COLMAN THOMAS 1 26.9% +65.7%
MCCORMICK, CATHERINE LYNN 1 52.3% +39.8%
NOLAN, JASON MICHAEL 1 66.6% -27.2%

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
18018105 Aqueous Composition WELLES, COLMAN THOMAS 49d overdue
18832346 COMPOSITION FOR SPERM TREATMENT, SPERM MOTILITY IMPROVING AGENT, SPERM FERTILIZING CAPABILITY RETAINING AGENT, SPERM MOTILITY IMPROVING METHOD, AND SPERM FERTILIZING CAPABILITY RETAINING METHOD EBBINGHAUS, BRIANA NOEL —
18703041 OPHTHALMIC COMPOSITION KRISHNAN, GANAPATHY —

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
18018105 Aqueous Composition WELLES, COLMAN THOMAS 49d overdue
18709382 OIL-BASED SOLID COMPOSITION FOR EXTERNAL USE ABBAS, ABDULRAHMAN MUSTAFA 39d
19105896 THERAPEUTIC AGENT FOR RENAL DISEASE AND RENAL FUNCTION-IMPROVING AGENT HOLLOMAN, NANNETTE —
18832341 COMPOSITION FOR SPERM TREATMENT, SPERM MOTILITY IMPROVING AGENT, SPERM FERTILIZING CAPABILITY RETAINING AGENT, SPERM MOTILITY IMPROVING METHOD, AND SPERM FERTILIZING CAPABILITY RETAINING METHOD RIGA, MICHAEL ANGELO —
18832346 COMPOSITION FOR SPERM TREATMENT, SPERM MOTILITY IMPROVING AGENT, SPERM FERTILIZING CAPABILITY RETAINING AGENT, SPERM MOTILITY IMPROVING METHOD, AND SPERM FERTILIZING CAPABILITY RETAINING METHOD EBBINGHAUS, BRIANA NOEL —
17918390 AGENT FOR INCREASING CD25-POSITIVE REGULATORY T CELLS IN KIDNEYS MCCORMICK, CATHERINE LYNN —

Top Art Units

Art UnitApps
1612 3
1632 1
1693 1
1617 1
1638 1
1623 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19105896 THERAPEUTIC AGENT FOR RENAL DISEASE AND RENAL FUNCTION-IMPROVING AGENT HOLLOMAN, NANNETTE 1612 §103 Non-Final OA — Pending Feb 24, 2025
18832341 COMPOSITION FOR SPERM TREATMENT, SPERM MOTILITY IMPROVING AGENT, SPERM FERTILIZING CAPABILITY RETAINING AGENT, SPERM MOTILITY IMPROVING METHOD, AND SPERM FERTILIZING CAPABILITY RETAINING METHOD RIGA, MICHAEL ANGELO — §102Other Non-Final OA — Pending Feb 04, 2025
18832346 COMPOSITION FOR SPERM TREATMENT, SPERM MOTILITY IMPROVING AGENT, SPERM FERTILIZING CAPABILITY RETAINING AGENT, SPERM MOTILITY IMPROVING METHOD, AND SPERM FERTILIZING CAPABILITY RETAINING METHOD EBBINGHAUS, BRIANA NOEL 1632 §102§103 Final Rejection — Pending Jul 23, 2024
18709382 OIL-BASED SOLID COMPOSITION FOR EXTERNAL USE ABBAS, ABDULRAHMAN MUSTAFA 1612 §103 Final Rejection 39d Pending May 10, 2024
18703041 OPHTHALMIC COMPOSITION KRISHNAN, GANAPATHY 1693 §102§103 Non-Final OA — Pending Apr 19, 2024
18018108 Aqueous Composition FAY, ZOHREH ALEMZADEH 1617 §103 Non-Final OA 24d overdue Pending Jan 26, 2023
18018105 Aqueous Composition WELLES, COLMAN THOMAS 1612 §103DP Non-Final OA 49d overdue Pending Jan 26, 2023
17918390 AGENT FOR INCREASING CD25-POSITIVE REGULATORY T CELLS IN KIDNEYS MCCORMICK, CATHERINE LYNN 1638 §103 Final Rejection — Pending Oct 12, 2022
17788378 Aqueous Composition NOLAN, JASON MICHAEL 1623 §103 Final Rejection — Pending Jun 23, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Rohto Pharmaceutical Co., Ltd. have?

Rohto Pharmaceutical Co., Ltd. has 9 pending office actions as of October 2026, spread across 6 art units and 9 examiners.

Which USPTO examiner handles the most Rohto Pharmaceutical Co., Ltd. applications?

Nannette Holloman has the most, with 1 of Rohto Pharmaceutical Co., Ltd.'s pending office actions.

What technology area are Rohto Pharmaceutical Co., Ltd.'s patent applications in?

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

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