Prosecution Insights
Last updated: May 29, 2026

Marathon Petroleum Company LP

11 pending office actions • 8 art units • 9 examiners • 0 of 11 (0%) have an AI response strategy ready • 21 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
10
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 11 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

6
Overdue
0
Due this week
3
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. 11 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (6)Due ≤ 30 days (3)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.

0
Hard (0%)
7
Medium (64%)
2
Easy (18%)
2
Unknown (18%)

Rejection Statute Mix

BucketCases
§103 only6 (55%)
§102 only1 (9%)
§112 only1 (9%)
Double-patenting only1 (9%)
No statute on record2 (18%)

Industry Mix

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

6
Life Sciences
55% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
9% of docket
4
Mechanical / Eng
36% 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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
GRAHAM, CHANTEL LORAN 3 71.5% +11.4%
SANCHEZ-MEDINA, REINALDO 1 78.4% +21.2%
NIESZ, JASON KAROL 1 77.6% +24.9%
NGUYEN, CUONG H 1 78.5% +8.6%
ELOSHWAY, NIKI MARINA 1 63.6% +24.1%
LIU, KENDRICK X 1 77.8% +15.1%
HALL, DEVE V. 1 74.8% +16.7%
PERRIN, CLARE M 1 67.7% +42.3%
ZHANG, KELING NMN 1 66.5% +18.2%

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
18940952 SCALABLE GREENHOUSE GAS CAPTURE SYSTEMS AND METHODS NIESZ, JASON KAROL 91d overdue
18204056 SYSTEMS AND METHODS FOR SEPARATING WATER AND REMOVING SOLIDS FROM PRE-TREATED AND UNFILTERED FEEDSTOCK PERRIN, CLARE M 50d overdue
18679385 INSULATION SECUREMENT SYSTEM AND ASSOCIATED METHODS ELOSHWAY, NIKI MARINA 43d overdue
18976499 METHODS AND SYSTEMS FOR INLINE MIXING OF HYDROCARBON LIQUIDS SANCHEZ-MEDINA, REINALDO 32d overdue
18234421 METHODS AND SYSTEMS FOR PRODUCING CRACKING RESISTANT ASPHALT BINDER USING PHASE ANGLE GRAHAM, CHANTEL LORAN 16d overdue
18677992 SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL AND HYDROGEN PRODUCTION GRAHAM, CHANTEL LORAN 14d
18678043 SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL PRODUCTION GRAHAM, CHANTEL LORAN 14d
17512792 METHODS AND REFORMING SYSTEMS FOR RE-DISPERSING PLATINUM ON REFORMING CATALYST ZHANG, KELING NMN 26d

Top Art Units

Art UnitApps
1771 3
3753 2
3664 1
3736 1
2853 1
1763 1
1779 1
1732 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18976499 METHODS AND SYSTEMS FOR INLINE MIXING OF HYDROCARBON LIQUIDS SANCHEZ-MEDINA, REINALDO 3753 §103 Non-Final OA 32d overdue Pending Dec 11, 2024
18940952 SCALABLE GREENHOUSE GAS CAPTURE SYSTEMS AND METHODS NIESZ, JASON KAROL 3753 Other Non-Final OA 91d overdue Pending Nov 08, 2024
18909708 BARGE OFFLOADING MONITORING SYSTEMS, METHODS, AND KIT NGUYEN, CUONG H 3664 §112 Non-Final OA 2d overdue Pending Oct 08, 2024
18679385 INSULATION SECUREMENT SYSTEM AND ASSOCIATED METHODS ELOSHWAY, NIKI MARINA 3736 §102 Non-Final OA 43d overdue Pending May 30, 2024
18677992 SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL AND HYDROGEN PRODUCTION GRAHAM, CHANTEL LORAN 1771 §103 Non-Final OA 14d Pending May 30, 2024
18678043 SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL PRODUCTION GRAHAM, CHANTEL LORAN 1771 Other Non-Final OA 14d Pending May 30, 2024
18242046 ELECTRODE WATERING ASSEMBLIES AND METHODS FOR MAINTAINING CATHODIC MONITORING OF STRUCTURES LIU, KENDRICK X 2853 §103 Final Rejection 33d Pending Sep 05, 2023
18234421 METHODS AND SYSTEMS FOR PRODUCING CRACKING RESISTANT ASPHALT BINDER USING PHASE ANGLE GRAHAM, CHANTEL LORAN 1771 §103 Non-Final OA 16d overdue Pending Aug 16, 2023
18217061 MODIFIED ASPHALTS WITH ENHANCED RHEOLOGICAL PROPERTIES AND ASSOCIATED METHODS HALL, DEVE V. 1763 DP Non-Final OA 84d Pending Jun 30, 2023
18204056 SYSTEMS AND METHODS FOR SEPARATING WATER AND REMOVING SOLIDS FROM PRE-TREATED AND UNFILTERED FEEDSTOCK PERRIN, CLARE M 1779 §103 Non-Final OA 50d overdue Pending May 31, 2023
17512792 METHODS AND REFORMING SYSTEMS FOR RE-DISPERSING PLATINUM ON REFORMING CATALYST ZHANG, KELING NMN 1732 §103 Non-Final OA 26d Pending Oct 28, 2021

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