Prosecution Insights
Last updated: October 27, 2026

Canon U.S.A. Inc.

Technology areas: Communications • Medical Devices & Mechanical Engineering

13 pending office actions • 11 art units • 13 examiners • 0 of 13 (0%) have an AI response strategy ready • 22 patents granted in the last 365 days

Portfolio Summary

13
Total Pending OAs
7
Non-Final OAs
5
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
1
Due this month
0
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. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 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.

9
Hard (69%)
4
Medium (31%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (8%)
§103 only4 (31%)
Multi-statute (no §101)8 (62%)

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
3
Communications
23% of docket
2
Semiconductors
15% of docket
8
Mechanical / Eng
62% 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.

130 h
Manual time on pending OAs
26 h
Time saved (low, 20%)
46 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
FERNANDEZ, KATHERINE L 1 58.0% +37.8%
FANG, MICHAEL YIMING 1 62.1% +36.7%
GROSS, JASON PATRICK 1 64.0% +43.3%
BITAR, NANCY 1 82.7% +7.7%
TRAN, BINH BACH THANH 1 81.0% +12.0%
SHERMAN, STEPHEN G 1 82.3% +16.8%
SATCHER, DION JOHN 1 82.1% +16.7%
SONG, LI-TING 1 66.3% +33.6%
LONG, SARAH A 1 60.7% +42.4%
DULANEY, KATHLEEN YUAN 1 77.1% +24.1%

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
18871672 APPARATUS AND METHOD FOR WHITEBOARD RECTIFICATION BITAR, NANCY —

Hard Cases (9)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18836989 MEDICAL APPARATUS WITH WIRE ANCHORS AND METHOD OF USE THEREOF LONG, SARAH A 10d overdue
18837447 COLLISION WARNING FOR MEDICAL DEVICE SONG, LI-TING 28d
18018976 CATHETER SHAFT WITH TAPERED INNER DIAMETER FOR IMPROVED FLOW RATE DOUBRAVA, JOHN A 61d
19141003 FRACTIONAL FLOW RESERVE CALCULATION METHODS, SYSTEMS, AND STORAGE MEDIUMS FERNANDEZ, KATHERINE L —
19085984 PHOTOBLEACHED IMAGING APPARATUS OR CATHETER, AND METHODS FOR USING SAME OR PERFORMING PHOTO-BLEACHING FOR SAME FANG, MICHAEL YIMING —
18993225 APPARATUS, METHODS AND SYSTEMS FOR LASER SAFETY INTERLOCK FOR CATHETER GROSS, JASON PATRICK —
18960794 Flexible PCB Camera for Bendable Medical Apparatus TRAN, BINH BACH THANH —
18928722 TISSUE CHARACTERIZATION IN ONE OR MORE IMAGES, SUCH AS IN INTRAVASCULAR IMAGES, USING ARTIFICIAL INTELLIGENCE SHERMAN, STEPHEN G —

Interview Candidates (9)

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
18836989 MEDICAL APPARATUS WITH WIRE ANCHORS AND METHOD OF USE THEREOF LONG, SARAH A 10d overdue
18837447 COLLISION WARNING FOR MEDICAL DEVICE SONG, LI-TING 28d
19141003 FRACTIONAL FLOW RESERVE CALCULATION METHODS, SYSTEMS, AND STORAGE MEDIUMS FERNANDEZ, KATHERINE L —
19085984 PHOTOBLEACHED IMAGING APPARATUS OR CATHETER, AND METHODS FOR USING SAME OR PERFORMING PHOTO-BLEACHING FOR SAME FANG, MICHAEL YIMING —
18993225 APPARATUS, METHODS AND SYSTEMS FOR LASER SAFETY INTERLOCK FOR CATHETER GROSS, JASON PATRICK —
18960794 Flexible PCB Camera for Bendable Medical Apparatus TRAN, BINH BACH THANH —
18928722 TISSUE CHARACTERIZATION IN ONE OR MORE IMAGES, SUCH AS IN INTRAVASCULAR IMAGES, USING ARTIFICIAL INTELLIGENCE SHERMAN, STEPHEN G —
18897658 Apparatus and Methods for Gesture Detection SATCHER, DION JOHN —

Top Art Units

Art UnitApps
3798 3
3797 1
2664 1
2847 1
2676 1
3795 1
3771 1
2666 1
3783 1
2874 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19141003 FRACTIONAL FLOW RESERVE CALCULATION METHODS, SYSTEMS, AND STORAGE MEDIUMS FERNANDEZ, KATHERINE L 3798 §102§112 Non-Final OA — Pending Jun 18, 2025
19085984 PHOTOBLEACHED IMAGING APPARATUS OR CATHETER, AND METHODS FOR USING SAME OR PERFORMING PHOTO-BLEACHING FOR SAME FANG, MICHAEL YIMING 3798 §103§112 Final Rejection — Pending Mar 20, 2025
18993225 APPARATUS, METHODS AND SYSTEMS FOR LASER SAFETY INTERLOCK FOR CATHETER GROSS, JASON PATRICK 3797 §102§103§112 Non-Final OA — Pending Jan 10, 2025
18871672 APPARATUS AND METHOD FOR WHITEBOARD RECTIFICATION BITAR, NANCY 2664 §103 Non-Final OA — Pending Dec 04, 2024
18960794 Flexible PCB Camera for Bendable Medical Apparatus TRAN, BINH BACH THANH 2847 §102§103 Non-Final OA — Pending Nov 26, 2024
18928722 TISSUE CHARACTERIZATION IN ONE OR MORE IMAGES, SUCH AS IN INTRAVASCULAR IMAGES, USING ARTIFICIAL INTELLIGENCE SHERMAN, STEPHEN G 3798 §101§102§103§112 Non-Final OA — Pending Oct 28, 2024
18897658 Apparatus and Methods for Gesture Detection SATCHER, DION JOHN 2676 §103§112 Non-Final OA — Pending Sep 26, 2024
18837447 COLLISION WARNING FOR MEDICAL DEVICE SONG, LI-TING 3795 §102§103 Final Rejection 28d Pending Aug 09, 2024
18836989 MEDICAL APPARATUS WITH WIRE ANCHORS AND METHOD OF USE THEREOF LONG, SARAH A 3771 §103§112 Final Rejection 10d overdue Pending Aug 08, 2024
18768700 METHODS, APPARATUSES AND STORAGE MEDIUMS FOR ABLATION PLANNING AND PERFORMANCE DULANEY, KATHLEEN YUAN 2666 §103 Final Rejection — Pending Jul 10, 2024
18018976 CATHETER SHAFT WITH TAPERED INNER DIAMETER FOR IMPROVED FLOW RATE DOUBRAVA, JOHN A 3783 §102§103§112 Final Rejection 61d Pending Jan 31, 2023
17936791 MEDICAL DEVICE DISTAL OPTICS POTTING CHIEM, DINH D 2874 §103 Non-Final OA 71d overdue Pending Sep 29, 2022
17182910 METHODS AND SYSTEMS FOR CATHETER TARGET LOCKING JANG, ELINA SOHYUN 3791 §103 Non-Final OA 216d overdue Pending Feb 23, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Canon U.S.A. Inc. have?

Canon U.S.A. Inc. has 13 pending office actions as of October 2026, spread across 11 art units and 13 examiners.

Which USPTO examiner handles the most Canon U.S.A. Inc. applications?

Katherine L Fernandez has the most, with 1 of Canon U.S.A. Inc.'s pending office actions.

What technology area are Canon U.S.A. Inc.'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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