Prosecution Insights
Last updated: October 04, 2026

Riverfield Inc.

Technology areas: Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

9 pending office actions • 6 art units • 9 examiners • 0 of 9 (0%) have an AI response strategy ready • 20 patents granted in the last 365 days

Analysis

Riverfield Inc. shows a broad prosecution footprint within the Medical Devices & Mechanical Engineering technology area, currently handling 8 pending office actions. These actions are handled by 8 distinct examiners, meaning every pending matter is assigned to a different individual. This level of examiner diversity suggests that the company must manage 8 unique sets of examiner behaviors simultaneously.

The portfolio is distributed across 5 distinct art units, reflecting a wide technical range within the Medical Devices & Mechanical Engineering sector. SARCENO ROBLES, CHRISTIAN MANUEL is the busiest examiner for the company, yet he accounts for only 1 busiest examiner pending action. This confirms that the 8 pending office actions are dispersed across the 8 distinct examiners, with no concentration of cases under any single person.

The requirement to interface with 5 distinct art units implies that Riverfield Inc. faces varied examination standards. Because each pending office action involves a different examiner, the company cannot rely on precedent from one case to influence another. Practitioners should prepare for independent negotiations with SARCENO ROBLES, CHRISTIAN MANUEL and the other examiners to resolve the 1 busiest examiner pending action.

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

Portfolio Summary

9
Total Pending OAs
3
Non-Final OAs
6
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 6 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
1
Due this week
3
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. 6 of the docket's apps have a known mailing date.

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

6
Hard (67%)
3
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (33%)
Multi-statute (no §101)6 (67%)

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
8
Mechanical / Eng
89% 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
SARCENO ROBLES, CHRISTIAN MANUEL 1 50.0% +100.0%
MORFORD, ALEXANDRA ROBYN 1 47.4% +47.7%
SINGH, ESVINDER 1 77.4% +22.7%
JIAN, SHIRLEY XUEYING 1 63.1% +23.0%
BOICE, JAMES EDWARD 1 75.7% +9.9%
TON, MARTIN TRUYEN 1 62.3% +34.3%
JAMIALAHMADI, MAJID 1 74.3% +57.6%
SAHAND, SANA 1 63.4% +23.8%
BAIG, RUMAISA RASHID 1 34.0% +33.2%

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18754328 SURGERY ASSISTING DEVICE SINGH, ESVINDER 7d
18396322 SURGICAL INSTRUMENT TON, MARTIN TRUYEN 9d
18925189 REMOTE OPERATION SYSTEM MORFORD, ALEXANDRA ROBYN 19d
18754314 SURGERY ASSISTING DEVICE JIAN, SHIRLEY XUEYING 22d
18936272 SURGICAL INSTRUMENT WITH FLUSH PORT SARCENO ROBLES, CHRISTIAN MANUEL —
18330710 FORCEPS DEVICE AND BASE MEMBER JAMIALAHMADI, MAJID —

Interview Candidates (8)

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
18176045 SURGICAL TOOL SAHAND, SANA 15d overdue
18754328 SURGERY ASSISTING DEVICE SINGH, ESVINDER 7d
18396322 SURGICAL INSTRUMENT TON, MARTIN TRUYEN 9d
18925189 REMOTE OPERATION SYSTEM MORFORD, ALEXANDRA ROBYN 19d
18754314 SURGERY ASSISTING DEVICE JIAN, SHIRLEY XUEYING 22d
18936272 SURGICAL INSTRUMENT WITH FLUSH PORT SARCENO ROBLES, CHRISTIAN MANUEL —
18330710 FORCEPS DEVICE AND BASE MEMBER JAMIALAHMADI, MAJID —
17890842 SURGICAL INSTRUMENT HOLDING DEVICE AND SURGERY ASSISTING DEVICE BAIG, RUMAISA RASHID —

Top Art Units

Art UnitApps
3771 2
3796 2
3658 1
3657 1
3792 1
3795 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18936272 SURGICAL INSTRUMENT WITH FLUSH PORT SARCENO ROBLES, CHRISTIAN MANUEL — §102§103 Non-Final OA — Pending Nov 04, 2024
18925189 REMOTE OPERATION SYSTEM MORFORD, ALEXANDRA ROBYN 3658 §103§112 Final Rejection 19d Pending Oct 24, 2024
18754328 SURGERY ASSISTING DEVICE SINGH, ESVINDER 3657 §102§103 Final Rejection 7d Pending Jun 26, 2024
18754314 SURGERY ASSISTING DEVICE JIAN, SHIRLEY XUEYING 3792 §103§112 Final Rejection 22d Pending Jun 26, 2024
18737492 DRAPE BOICE, JAMES EDWARD 3795 §103 Final Rejection 4d overdue Pending Jun 07, 2024
18396322 SURGICAL INSTRUMENT TON, MARTIN TRUYEN 3771 §102§103 Final Rejection 9d Pending Dec 26, 2023
18330710 FORCEPS DEVICE AND BASE MEMBER JAMIALAHMADI, MAJID 3771 §102§103 Final Rejection — Pending Jun 07, 2023
18176045 SURGICAL TOOL SAHAND, SANA 3796 §103 Non-Final OA 15d overdue Pending Feb 28, 2023
17890842 SURGICAL INSTRUMENT HOLDING DEVICE AND SURGERY ASSISTING DEVICE BAIG, RUMAISA RASHID 3796 §103 Non-Final OA — Pending Aug 18, 2022

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