Prosecution Insights
Last updated: October 25, 2026

Otsuka Medical Devices Co. Ltd.

Technology area: Medical Devices & Mechanical Engineering

10 pending office actions • 6 art units • 10 examiners • 0 of 10 (0%) have an AI response strategy ready • 12 patents granted in the last 365 days

Analysis

Otsuka Medical Devices Co. Ltd. has 10 pending office actions in Medical Devices & Mechanical Engineering. The portfolio spans 10 distinct examiners and 6 distinct art units. REMALY, MARK DONALD is the named busiest examiner, with 1 pending action.

The breadth of assignments requires structured portfolio coordination. Counsel should track each examiner’s issues independently while preserving consistent technical terminology and claim strategy across the six art-unit settings.

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

Portfolio Summary

10
Total Pending OAs
5
Non-Final OAs
4
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 7 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
2
Due this month
1
Due in next 60 days
1
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. 7 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (2)Due ≤ 60 days (1)Due later (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.

4
Hard (40%)
6
Medium (60%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (50%)
§102 only1 (10%)
Multi-statute (no §101)4 (40%)

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
10
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.

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
REMALY, MARK DONALD 1 70.5% +15.9%
HOFFA, ANGELA MARIE 1 67.7% +28.1%
CWERN, JONATHAN 1 51.0% +33.1%
FREDRICKSON, COURTNEY B 1 75.4% +29.6%
LANCASTER, LINDSAY REGAN 1 53.3% +21.5%
HUSSAINI, ATTIYA SAYYADA 1 61.7% +19.5%
BLAISE, BRADFORD CHRISTOPHER 1 60.5% +31.4%
ZIEGLER, ABIGAIL M 1 47.3% +46.7%
PAPE, ALYSSA MORGAN 1 26.9% +37.5%
MCGINNITY, JAMES RYAN 1 60.3% +49.8%

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18182821 USING CHARACTERISTICS OF NATIVE OR EVOKED SENSED NEURAL ACTIVITY TO SELECT DENERVATION PARAMETERS ZIEGLER, ABIGAIL M 66d overdue
17208378 WIRE-EQUIPPED STENT, CATHETER, AND CATHETER-STENT SYSTEM MCGINNITY, JAMES RYAN 28d overdue
18327280 METHODS, DEVICES AND SYSTEMS THAT USE ONE OR MORE TRANSDUCERS TO HEAT NERVES TO EVOKE NEURAL RESPONSE WITHOUT DENERVATING NERVES, AS WELL AS TO DENERVATE NERVES BLAISE, BRADFORD CHRISTOPHER 17d overdue
17812696 TREATMENT SYSTEM HAVING GENERATOR AND FLUID TRANSFER CARTRIDGE PAPE, ALYSSA MORGAN 28d
18490499 ROTARY PINCH VALVE FOR FLUID CONTROL FREDRICKSON, COURTNEY B —

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
18182821 USING CHARACTERISTICS OF NATIVE OR EVOKED SENSED NEURAL ACTIVITY TO SELECT DENERVATION PARAMETERS ZIEGLER, ABIGAIL M 66d overdue
17208378 WIRE-EQUIPPED STENT, CATHETER, AND CATHETER-STENT SYSTEM MCGINNITY, JAMES RYAN 28d overdue
18327280 METHODS, DEVICES AND SYSTEMS THAT USE ONE OR MORE TRANSDUCERS TO HEAT NERVES TO EVOKE NEURAL RESPONSE WITHOUT DENERVATING NERVES, AS WELL AS TO DENERVATE NERVES BLAISE, BRADFORD CHRISTOPHER 17d overdue
18481220 DEVICES, METHODS AND SYSTEMS FOR RENAL DENERVATION LANCASTER, LINDSAY REGAN 15d
17812696 TREATMENT SYSTEM HAVING GENERATOR AND FLUID TRANSFER CARTRIDGE PAPE, ALYSSA MORGAN 28d
18340241 METHODS AND SYSTEMS FOR MEASURING RENAL NEURAL ELECTRICAL ACTIVITY BY ELECTRICALLY STIMULATING IN ABDOMINAL AORTA AND SENSING EVOKED NEURAL ELECTRICAL RESPONSE IN RENAL ARTERY HUSSAINI, ATTIYA SAYYADA 42d
18659628 TISSUE TREATMENT CATHETER HAVING PORT BRACE CWERN, JONATHAN 70d
18664215 INTRAVASCULAR ENERGY DELIVERY REMALY, MARK DONALD —

Top Art Units

Art UnitApps
3794 4
3797 2
3799 1
3783 1
3792 1
3771 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18664215 INTRAVASCULAR ENERGY DELIVERY REMALY, MARK DONALD 3797 §102 Non-Final OA — Pending May 14, 2024
18662757 TISSUE TREATMENT SYSTEMS AND METHODS WITH ACOUSTIC DOSE MANAGEMENT HOFFA, ANGELA MARIE 3799 §103 Non-Final OA — Pending May 13, 2024
18659628 TISSUE TREATMENT CATHETER HAVING PORT BRACE CWERN, JONATHAN 3797 §103 Non-Final OA 70d Pending May 09, 2024
18490499 ROTARY PINCH VALVE FOR FLUID CONTROL FREDRICKSON, COURTNEY B 3783 §103§112 Non-Final OA — Pending Oct 19, 2023
18481220 DEVICES, METHODS AND SYSTEMS FOR RENAL DENERVATION LANCASTER, LINDSAY REGAN 3794 §103 Final Rejection 15d Pending Oct 04, 2023
18340241 METHODS AND SYSTEMS FOR MEASURING RENAL NEURAL ELECTRICAL ACTIVITY BY ELECTRICALLY STIMULATING IN ABDOMINAL AORTA AND SENSING EVOKED NEURAL ELECTRICAL RESPONSE IN RENAL ARTERY HUSSAINI, ATTIYA SAYYADA 3792 §103 Non-Final OA 42d Pending Jun 23, 2023
18327280 METHODS, DEVICES AND SYSTEMS THAT USE ONE OR MORE TRANSDUCERS TO HEAT NERVES TO EVOKE NEURAL RESPONSE WITHOUT DENERVATING NERVES, AS WELL AS TO DENERVATE NERVES BLAISE, BRADFORD CHRISTOPHER 3794 §102§103 Final Rejection 17d overdue Pending Jun 01, 2023
18182821 USING CHARACTERISTICS OF NATIVE OR EVOKED SENSED NEURAL ACTIVITY TO SELECT DENERVATION PARAMETERS ZIEGLER, ABIGAIL M 3794 §103§112 Final Rejection 66d overdue Pending Mar 13, 2023
17812696 TREATMENT SYSTEM HAVING GENERATOR AND FLUID TRANSFER CARTRIDGE PAPE, ALYSSA MORGAN 3794 §103 Final Rejection 28d Pending Jul 14, 2022
17208378 WIRE-EQUIPPED STENT, CATHETER, AND CATHETER-STENT SYSTEM MCGINNITY, JAMES RYAN 3771 §103§112 Non-Final OA 28d overdue Pending Mar 22, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Otsuka Medical Devices Co. Ltd. have?

Otsuka Medical Devices Co. Ltd. has 10 pending office actions as of October 2026, spread across 6 art units and 10 examiners.

Which USPTO examiner handles the most Otsuka Medical Devices Co. Ltd. applications?

Mark Donald Remaly has the most, with 1 of Otsuka Medical Devices Co. Ltd.'s pending office actions.

What technology area are Otsuka Medical Devices Co. Ltd.'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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