Prosecution Insights
Last updated: May 29, 2026

Shell Usa Inc.

9 pending office actions • 7 art units • 9 examiners • 0 of 9 (0%) have an AI response strategy ready • 21 patents granted in the last 365 days

Portfolio Summary

9
Total Pending OAs
7
Non-Final OAs
0
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 9 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

7
Overdue
1
Due this week
1
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. 9 of the docket's apps have a known mailing date.

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

1
Hard (11%)
5
Medium (56%)
2
Easy (22%)
1
Unknown (11%)

Rejection Statute Mix

BucketCases
§101 only1 (11%)
§103 only5 (56%)
§112 only2 (22%)
No statute on record1 (11%)

Industry Mix

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

4
Life Sciences
44% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
11% of docket
4
Mechanical / Eng
44% 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.

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
TIETJEN, MARINA ANNETTE 1 75.0% +20.7%
VILAKAZI, SIZO BINDA 1 74.2% +11.5%
VALENCIA, JUAN C 1 86.6% +7.4%
GRAHAM, CHANTEL LORAN 1 71.5% +11.4%
CRAIG, DANIEL THOMAS 1 87.5% +23.1%
STEIN, MICHELLE 1 44.2% +34.7%
VOLZ, ELIZABETH J 1 66.6% +18.8%
ROBINSON, RENEE E 1 73.7% +23.8%
SINGLETARY, MICHAEL J 1 82.7% +6.4%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18702468 DOWNHOLE INJECTION TOOL AND METHOD FOR INJECTING A FLUID IN AN ANNULUS SURROUNDING A DOWNHOLE TUBULAR CRAIG, DANIEL THOMAS 110d overdue
18711890 AUTOTHERMAL CRACKING OF HYDROCARBONS VALENCIA, JUAN C 3d overdue

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18549918 MODERATOR AND CATALYST PERFORMANCE OPTIMIZATION FOR EPOXIDATION OF ETHYLENE SINGLETARY, MICHAEL J 45d overdue

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18702468 DOWNHOLE INJECTION TOOL AND METHOD FOR INJECTING A FLUID IN AN ANNULUS SURROUNDING A DOWNHOLE TUBULAR CRAIG, DANIEL THOMAS 110d overdue
18686426 PROCESS FOR PRODUCING KEROSENE AND DIESEL FROM RENEWABLE SOURCES STEIN, MICHELLE 51d overdue
18568305 OLEFINS PRODUCTION PROCESS ROBINSON, RENEE E 46d overdue
18842383 DUAL FUEL ENGINE SYSTEM VILAKAZI, SIZO BINDA 25d overdue
18578469 CONTAINMENT SYSTEM FOR LIQUID HYDROGEN VOLZ, ELIZABETH J 25d overdue
18875202 UNLOADING VALVE AND A GAS LIFT SYSTEM AND A METHOD OF INSTALLING SUCH A GAS LIFT SYSTEM TIETJEN, MARINA ANNETTE 6d
18709879 PROCESS FOR PRODUCING A LIQUID HYDROCARBON FROM RENEWABLE SOURCES GRAHAM, CHANTEL LORAN 28d

Top Art Units

Art UnitApps
1771 3
3799 1
3747 1
3676 1
3733 1
1772 1
2857 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18875202 UNLOADING VALVE AND A GAS LIFT SYSTEM AND A METHOD OF INSTALLING SUCH A GAS LIFT SYSTEM TIETJEN, MARINA ANNETTE 3799 §103 Non-Final OA 6d Pending Dec 16, 2024
18842383 DUAL FUEL ENGINE SYSTEM VILAKAZI, SIZO BINDA 3747 §103 Non-Final OA 25d overdue Pending Aug 28, 2024
18711890 AUTOTHERMAL CRACKING OF HYDROCARBONS VALENCIA, JUAN C 1771 §112 Non-Final OA 3d overdue Pending May 21, 2024
18709879 PROCESS FOR PRODUCING A LIQUID HYDROCARBON FROM RENEWABLE SOURCES GRAHAM, CHANTEL LORAN 1771 §103 Non-Final OA 28d Pending May 14, 2024
18702468 DOWNHOLE INJECTION TOOL AND METHOD FOR INJECTING A FLUID IN AN ANNULUS SURROUNDING A DOWNHOLE TUBULAR CRAIG, DANIEL THOMAS 3676 §103 Non-Final OA 110d overdue Pending Apr 18, 2024
18686426 PROCESS FOR PRODUCING KEROSENE AND DIESEL FROM RENEWABLE SOURCES STEIN, MICHELLE 1771 Other Non-Final OA 51d overdue Pending Feb 25, 2024
18578469 CONTAINMENT SYSTEM FOR LIQUID HYDROGEN VOLZ, ELIZABETH J 3733 §112 Non-Final OA 25d overdue Pending Jan 11, 2024
18568305 OLEFINS PRODUCTION PROCESS ROBINSON, RENEE E 1772 §103 Non-Final OA 46d overdue Pending Dec 08, 2023
18549918 MODERATOR AND CATALYST PERFORMANCE OPTIMIZATION FOR EPOXIDATION OF ETHYLENE SINGLETARY, MICHAEL J 2857 §101 Non-Final OA 45d overdue Pending Sep 10, 2023

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