Prosecution Insights
Last updated: October 04, 2026

Petróleo Brasileiro S.A. - Petrobras

Technology areas: Chemistry & Materials • Computing & Software • Transportation, E-Commerce & Mechanical Systems

32 pending office actions • 21 art units • 31 examiners • 0 of 32 (0%) have an AI response strategy ready • 42 patents granted in the last 365 days

Portfolio Summary

32
Total Pending OAs
13
Non-Final OAs
17
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 13 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

8
Overdue
1
Due this week
3
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. 13 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (8)Due ≤ 7 days (1)Due ≤ 30 days (3)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.

20
Hard (62%)
8
Medium (25%)
4
Easy (12%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only2 (6%)
§101 + other4 (12%)
§103 only6 (19%)
§102 only2 (6%)
§112 only4 (12%)
Multi-statute (no §101)14 (44%)

Industry Mix

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

6
Life Sciences
19% of docket
6
Information Tech
19% of docket
1
Communications
3% of docket
1
Semiconductors
3% of docket
12
Mechanical / Eng
38% of docket
6
Business / Other
19% 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.

320 h
Manual time on pending OAs
64 h
Time saved (low, 20%)
112 h
Time saved (mid, 35%)
2.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CEPLUCH, ALYSSA L 2 63.0% +24.6%
QUAIM, LAMIA 1 74.0% +17.8%
VARMA, ASHISH K 1 74.5% +32.5%
LEE, CRYSTAL J 1 82.1% +21.5%
SAYRE, JAMES G 1 84.0% +12.9%
GARDNER, NICOLE 1 69.1% +14.5%
CAULK, JENNIFER CHRISTINE 1 100.0% +0.0%
HALL, KRISTYN A 1 82.0% -6.0%
MERCADO, ALEXANDER A 1 69.4% +19.6%
DO, ANDREW V 1 84.7% +11.3%

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
19178563 Device and Method for Disconnecting Jammed Subsea Wet-Mate Connectors SAYRE, JAMES G 53d overdue
18784617 MULTIPHASE FLOW CHARACTERISTICS MEASUREMENT SYSTEM, DEMODULATION METHOD FOR A MULTIPHASE FLOW CHARACTERISTICS MEASUREMENT SYSTEM AND ELECTRONIC CIRCUIT DO, ANDREW V —

Hard Cases (20)

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
17976117 POLYMER NANOCOMPOSITE FOR USE IN ELECTRICAL AND ELECTRONIC EQUIPMENT WITH PROPERTIES SUITABLE FOR APPLICATIONS SUCH AS ELECTRICAL INSULATION AND WITH THERMAL CONDUCTIVITY GAIN CAI, WENWEN 45d overdue
18081483 DATA ANALOG IDENTIFICATION METHOD SCHWARZENBERG, PAUL 11d overdue
17989829 RHEOLOGICAL MODEL OF WATER-IN-OIL EMULSIONS OBTAINED BY ARTIFICIAL INTELLIGENCE GEBRESILASSIE, KIBROM K 8d overdue
17669902 MODELING A KARST FORMATION FOR A WELLBORE OPERATION HAO, YI 5d overdue
18965908 COMPUTER IMPLEMENTED METHOD FOR REAL-TIME LWD PROFILE PREDICTION IN THE INTERVALS FROM THE DRILL TIP TO THE LIMIT OF THE DEPTH PROFILE OFFSETS HALL, KRISTYN A 4d overdue
18494588 PIPELINE HOISTING STRUCTURE AND METHOD SINGH, SUNIL 3d overdue
17984692 METHOD FOR MODELING THE DAMAGE ZONE OF FAULTS IN FRACTURED RESERVOIRS ALHIJA, SAIF A 7d
17983606 METHOD FOR UNIFORMIZATION OF FLOW FOR STIMULATION OPERATIONS MOLL, NITHYA JANAKIRAMAN 15d

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
19178563 Device and Method for Disconnecting Jammed Subsea Wet-Mate Connectors SAYRE, JAMES G 53d overdue
18979413 DEVICE FOR EXTERNAL ACTUATION OF VALVES WITH A DAMAGED BUSHING GARDNER, NICOLE 29d
19425122 SYSTEM AND METHOD FOR DILUTING SUBSEA SCALING INHIBITOR TO PREVENT PRODUCTION STRING BREAKDOWN QUAIM, LAMIA —
19389508 System for Preventive Inhibition of Scaling in Oil Wells and Process for Preventive Inhibition of Scaling in Oil Wells VARMA, ASHISH K —
19187723 ASSISTED AUTONOMOUS TREATMENT SYSTEM AND PROCESS IN PRE-SALT PRODUCTION PLATFORMS, AND THEIR USES LEE, CRYSTAL J —
18867301 METHOD FOR GENERATING RENEWABLE PRODUCTS FROM BIO-OIL AND OIL STREAMS IN CATALYTIC CRACKING CEPLUCH, ALYSSA L —
18890450 USE OF NANOFLUID TO REMOVE OIL AND SALTS FROM ROCK SAMPLES IN PETROLEUM SYSTEMS MERCADO, ALEXANDER A —
18784617 MULTIPHASE FLOW CHARACTERISTICS MEASUREMENT SYSTEM, DEMODULATION METHOD FOR A MULTIPHASE FLOW CHARACTERISTICS MEASUREMENT SYSTEM AND ELECTRONIC CIRCUIT DO, ANDREW V —

Top Art Units

Art UnitApps
3676 2
3672 2
3678 2
2187 2
2189 2
2186 2
3674 1
3679 1
3753 1
2855 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19425122 SYSTEM AND METHOD FOR DILUTING SUBSEA SCALING INHIBITOR TO PREVENT PRODUCTION STRING BREAKDOWN QUAIM, LAMIA 3676 §102§112 Non-Final OA — Pending Dec 18, 2025
19389508 System for Preventive Inhibition of Scaling in Oil Wells and Process for Preventive Inhibition of Scaling in Oil Wells VARMA, ASHISH K 3674 §103§112 Non-Final OA — Pending Nov 14, 2025
19187723 ASSISTED AUTONOMOUS TREATMENT SYSTEM AND PROCESS IN PRE-SALT PRODUCTION PLATFORMS, AND THEIR USES LEE, CRYSTAL J 3672 §103§112 Non-Final OA — Pending Apr 23, 2025
19178563 Device and Method for Disconnecting Jammed Subsea Wet-Mate Connectors SAYRE, JAMES G 3679 §102 Final Rejection 53d overdue Pending Apr 14, 2025
18979413 DEVICE FOR EXTERNAL ACTUATION OF VALVES WITH A DAMAGED BUSHING GARDNER, NICOLE 3753 §103§112 Final Rejection 29d Pending Dec 12, 2024
18972298 THREE-PHASE INVERTER CAULK, JENNIFER CHRISTINE — §103§112 Non-Final OA — Pending Dec 06, 2024
18965908 COMPUTER IMPLEMENTED METHOD FOR REAL-TIME LWD PROFILE PREDICTION IN THE INTERVALS FROM THE DRILL TIP TO THE LIMIT OF THE DEPTH PROFILE OFFSETS HALL, KRISTYN A 3672 §101 Final Rejection 4d overdue Pending Dec 02, 2024
18867301 METHOD FOR GENERATING RENEWABLE PRODUCTS FROM BIO-OIL AND OIL STREAMS IN CATALYTIC CRACKING CEPLUCH, ALYSSA L — §103§112 Non-Final OA — Pending Nov 19, 2024
18890450 USE OF NANOFLUID TO REMOVE OIL AND SALTS FROM ROCK SAMPLES IN PETROLEUM SYSTEMS MERCADO, ALEXANDER A 2855 §102 Final Rejection — Pending Sep 19, 2024
18784617 MULTIPHASE FLOW CHARACTERISTICS MEASUREMENT SYSTEM, DEMODULATION METHOD FOR A MULTIPHASE FLOW CHARACTERISTICS MEASUREMENT SYSTEM AND ELECTRONIC CIRCUIT DO, ANDREW V — §112 Non-Final OA — Pending Jul 25, 2024
18640649 METHOD OF MONITORING IMAGES DANG, RACHEL YEN VI 2661 §103§112 Non-Final OA 70d Pending Apr 19, 2024
18292300 Submarine Reel Drive System And Method For Reeling In And Launching Flexible Pipes And Umbilicals ANDRISH, SEAN D 3678 §102§103 Final Rejection — Pending Jan 25, 2024
18400903 Modular System and Marine Seismic Monitoring Method by Permanent Point Receivers, Support-Pile Module, Telescopic-Type Pile, Method of Burying and Method of Unearthing of the Telescopic-Type Pile BREIER, KRYSTINE E 3645 §103 Final Rejection 15d Pending Dec 29, 2023
18494588 PIPELINE HOISTING STRUCTURE AND METHOD SINGH, SUNIL 3678 §102§103 Final Rejection 3d overdue Pending Oct 25, 2023
18490835 DEVICE AND METHOD FOR ELIMINATION OF A LEAK IDENTIFIED IN AN EXPANSION JOINT OF A GAS PIPE IN OPERATION GAY, JENNIFER HAWKINS 3619 §103§112 Final Rejection — Pending Oct 20, 2023
18359667 COMPUTER-IMPLEMENTED METHOD AND COMPUTER-READABLE MEDIUM FOR DRAINAGE MESH OPTIMIZATION IN OIL AND/OR GAS PRODUCING FIELDS COTHRAN, BERNARD E — §101§102§103 Non-Final OA — Pending Jul 26, 2023
18248376 RENEWABLE AVIATION KEROSENE PRODUCTION PROCESS CEPLUCH, ALYSSA L 1772 §112 Non-Final OA — Pending Apr 07, 2023
18041884 SYSTEM FOR IMPROVING FLEXIBILITY OF RISER SUPPORTS IN STATIONARY PRODUCTION UNITS AND INSTALLATION METHOD LAMBE, PATRICK F 3676 §103 Final Rejection — Pending Feb 16, 2023
18087453 ORGANOMINERAL FERTILIZER SMITH, JENNIFER A 1731 §112 Non-Final OA — Pending Dec 22, 2022
18081483 DATA ANALOG IDENTIFICATION METHOD SCHWARZENBERG, PAUL — §101 Final Rejection 11d overdue Pending Dec 14, 2022
17991859 HORIZONTAL WELL PRODUCTION METHOD WITH UNIFORM FLOW KIM, EUNHEE 2187 §103 Final Rejection — Pending Nov 22, 2022
17989829 RHEOLOGICAL MODEL OF WATER-IN-OIL EMULSIONS OBTAINED BY ARTIFICIAL INTELLIGENCE GEBRESILASSIE, KIBROM K 2189 §101§103 Final Rejection 8d overdue Pending Nov 18, 2022
17984692 METHOD FOR MODELING THE DAMAGE ZONE OF FAULTS IN FRACTURED RESERVOIRS ALHIJA, SAIF A 2186 §102§103 Final Rejection 7d Pending Nov 10, 2022
17983606 METHOD FOR UNIFORMIZATION OF FLOW FOR STIMULATION OPERATIONS MOLL, NITHYA JANAKIRAMAN 2189 §101§112 Final Rejection 15d Pending Nov 09, 2022
17976117 POLYMER NANOCOMPOSITE FOR USE IN ELECTRICAL AND ELECTRONIC EQUIPMENT WITH PROPERTIES SUITABLE FOR APPLICATIONS SUCH AS ELECTRICAL INSULATION AND WITH THERMAL CONDUCTIVITY GAIN CAI, WENWEN 1763 §103§112 Final Rejection 45d overdue Pending Oct 28, 2022
17970868 COMBINED METHOD FOR ESTIMATING INJECTIVITY LOSS IN CARBONATE RESERVOIRS DEBNATH, NUPUR 2186 §103§112 Non-Final OA — Pending Oct 21, 2022
17884724 METHOD OF PREPARING THE WATER-GAS SHIFT CATALYST, CATALYST, USE AND PROCESS TO REDUCE THE CONTENT OF CARBON MONOXIDE ZHANG, KELING NMN 1732 §103 Non-Final OA — Pending Aug 10, 2022
17781254 ARRANGEMENT OF A LASER RADIATION FOR CATALYSIS IN COMPLEXATION REACTIONS ABRAHAM, IBRAHIME A 3761 §112 Non-Final OA — Pending May 31, 2022
17659821 PROCESS FOR OBTAINING ALKYL-NAPHTHENICS STEIN, MICHELLE 1771 §103 Final Rejection — Pending Apr 19, 2022
17669902 MODELING A KARST FORMATION FOR A WELLBORE OPERATION HAO, YI 2187 §101§112 Non-Final OA 5d overdue Pending Feb 11, 2022
17666272 CATALYSTS, PROCESS FOR OBTAINING AND STEAM PRE-REFORMING PROCESS OF HYDROCARBONS SPEER, JOSHUA MAXWELL 1736 §103 Final Rejection 1d overdue Pending Feb 07, 2022
18399511 PROCESS FOR PREPARING FLUID CATALYTIC CRACKING CATALYSTS, FLUID CATALYTIC CRACKING CATALYSTS AND USES THEREOF KETCHAM, HANNAH ELIZABETH 4100 §102§103§112 Non-Final OA — Pending Dec 28, 2023

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