Prosecution Insights
Last updated: May 29, 2026

Canon U S A Inc.

12 pending office actions • 8 art units • 12 examiners • 0 of 12 (0%) have an AI response strategy ready • 25 patents granted in the last 365 days

Portfolio Summary

12
Total Pending OAs
6
Non-Final OAs
3
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 12 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

8
Overdue
1
Due this week
2
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. 12 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (8)Due ≤ 7 days (1)Due ≤ 30 days (2)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.

1
Hard (8%)
10
Medium (83%)
1
Easy (8%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (8%)
§103 only10 (83%)
§112 only1 (8%)

Industry Mix

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

1
Life Sciences
8% of docket
1
Information Tech
8% of docket
1
Communications
8% of docket
1
Semiconductors
8% of docket
8
Mechanical / Eng
67% 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.

120 h
Manual time on pending OAs
24 h
Time saved (low, 20%)
42 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SONG, LI-TING 1 65.1% +38.9%
LONG, SARAH A 1 60.6% +41.9%
VAUGHN JR, WILLIAM C 1 21.7% +57.8%
NGUYEN, DAVID VAN 1 100.0% +0.0%
DOUBRAVA, JOHN A 1 76.3% +27.0%
CHIEM, DINH D 1 72.4% +16.3%
BROUGHTON, SHAWN CURTIS 1 35.0% +25.0%
MERRIAM, AARON ROGERS 1 26.9% +73.3%
MUMMERT, STEPHANIE KANE 1 60.6% +22.0%
HOFFPAUIR, ANDREW ELI 1 39.5% +45.8%

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
18721111 APPARATUS AND METHOD FOR ENHANCING A WHITEBOARD IMAGE NGUYEN, DAVID VAN 7d

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
17727573 DEVICES, SYSTEMS, AND METHODS FOR FLUORESCENCE IMAGING MERRIAM, AARON ROGERS 42d overdue
18721437 SYSTEM AND METHOD FOR AUGMENTED VIEWS IN AN ONLINE MEETING VAUGHN JR, WILLIAM C 36d overdue
17512503 DEVICES, SYSTEMS, AND METHODS FOR DISPLAYING STENOSIS MEASUREMENTS AND CALCULATIONS HOFFPAUIR, ANDREW ELI 35d overdue

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
17744121 Intravascular Pressure Sensing Using Inner Sheath BROUGHTON, SHAWN CURTIS 93d overdue
17936791 MEDICAL DEVICE DISTAL OPTICS POTTING CHIEM, DINH D 71d overdue
17727573 DEVICES, SYSTEMS, AND METHODS FOR FLUORESCENCE IMAGING MERRIAM, AARON ROGERS 42d overdue
18721437 SYSTEM AND METHOD FOR AUGMENTED VIEWS IN AN ONLINE MEETING VAUGHN JR, WILLIAM C 36d overdue
17512503 DEVICES, SYSTEMS, AND METHODS FOR DISPLAYING STENOSIS MEASUREMENTS AND CALCULATIONS HOFFPAUIR, ANDREW ELI 35d overdue
18836989 MEDICAL APPARATUS WITH WIRE ANCHORS AND METHOD OF USE THEREOF LONG, SARAH A 10d overdue
17526743 SINGLE-STEP DNA PREPARATION FOR POLYMERASE CHAIN REACTION USING MAGNETIC CHITOSAN MICROPARTICLES MUMMERT, STEPHANIE KANE 14d
18837447 COLLISION WARNING FOR MEDICAL DEVICE SONG, LI-TING 28d

Top Art Units

Art UnitApps
3791 5
3795 1
3771 1
2481 1
2617 1
3783 1
2874 1
1681 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18837447 COLLISION WARNING FOR MEDICAL DEVICE SONG, LI-TING 3795 §103 Non-Final OA 28d Pending Aug 09, 2024
18836989 MEDICAL APPARATUS WITH WIRE ANCHORS AND METHOD OF USE THEREOF LONG, SARAH A 3771 §103 Non-Final OA 10d overdue Pending Aug 08, 2024
18721437 SYSTEM AND METHOD FOR AUGMENTED VIEWS IN AN ONLINE MEETING VAUGHN JR, WILLIAM C 2481 §103 Non-Final OA 36d overdue Pending Jun 18, 2024
18721111 APPARATUS AND METHOD FOR ENHANCING A WHITEBOARD IMAGE NGUYEN, DAVID VAN 2617 §103 Non-Final OA 7d Pending Jun 17, 2024
18018976 CATHETER SHAFT WITH TAPERED INNER DIAMETER FOR IMPROVED FLOW RATE DOUBRAVA, JOHN A 3783 §103 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
17744121 Intravascular Pressure Sensing Using Inner Sheath BROUGHTON, SHAWN CURTIS 3791 §103 Non-Final OA 93d overdue Pending May 13, 2022
17727573 DEVICES, SYSTEMS, AND METHODS FOR FLUORESCENCE IMAGING MERRIAM, AARON ROGERS 3791 §103 Final Rejection 42d overdue Pending Apr 22, 2022
17526743 SINGLE-STEP DNA PREPARATION FOR POLYMERASE CHAIN REACTION USING MAGNETIC CHITOSAN MICROPARTICLES MUMMERT, STEPHANIE KANE 1681 §103 Non-Final OA 14d Pending Nov 15, 2021
17512503 DEVICES, SYSTEMS, AND METHODS FOR DISPLAYING STENOSIS MEASUREMENTS AND CALCULATIONS HOFFPAUIR, ANDREW ELI 3791 §101 Final Rejection 35d overdue Pending Oct 27, 2021
17182910 METHODS AND SYSTEMS FOR CATHETER TARGET LOCKING JANG, ELINA SOHYUN 3791 §103 Non-Final OA 216d overdue Pending Feb 23, 2021
17077480 MEDICAL APPARATUS WITH SEGMENTED BENDABLE SECTIONS WEARE, MEREDITH H 3791 §112 Non-Final OA 73d overdue Pending Oct 22, 2020

Managing Canon U S A Inc.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month