Prosecution Insights
Last updated: April 19, 2026

Petróleo Brasileiro S.A. - Petrobras

25 pending office actions

Portfolio Summary

25
Total Pending OAs
6
Final Rejections
19
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19178563 Device and Method for Disconnecting Jammed Subsea Wet-Mate Connectors SAYRE, JAMES G 3679 Non-Final OA Apr 14, 2025
19089897 MAGNETIC DEVICE FOR CONTROLLING FLUID FLOW IN A WELL RO, YONG-SUK 3676 Non-Final OA Mar 25, 2025
18979413 DEVICE FOR EXTERNAL ACTUATION OF VALVES WITH A DAMAGED BUSHING GARDNER, NICOLE 3753 Non-Final OA Dec 12, 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 Non-Final OA Dec 02, 2024
18753997 System And Method For Carrying Out Different Modalities Of Simultaneous Capture, Utilization And Storage Of CO2 RUNYAN, SILVANA C 3674 Final Rejection Jun 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 Non-Final OA Dec 29, 2023
18397496 DUCT THICKNESS MEASUREMENT DEVICE SIMULTANEOUS SUBMARINES AT MULTIPLE POINTS SINGER, DAVID L 2855 Non-Final OA Dec 27, 2023
18391013 GAS DISPERSION INTENSIFIER ASSEMBLY FOR PRESSURE RELIEF SYSTEM DOERRLER, WILLIAM CHARLES 3993 Non-Final OA Dec 20, 2023
18494588 PIPELINE HOISTING STRUCTURE AND METHOD SINGH, SUNIL 3678 Non-Final OA Oct 25, 2023
18493125 NUT GUIDE SAN, JASON W 3677 Non-Final OA Oct 24, 2023
18462319 SUBSEA TERMINATION DEVICE AND METHOD FIORELLO, BENJAMIN F 3678 Non-Final OA Sep 06, 2023
18006014 THIRD-STAGE SYSTEM WITH AUTOMATIC BLEEDING, AND USE THEREOF BUI, DUNG H 1773 Final Rejection Jan 19, 2023
18012454 COMPUTER SCRIPT FOR PROCESSING IMAGES AND USE THEREOF IN A METHOD FOR FACIES IMAGE DETERMINATION SOHRABY, PARDIS 2664 Non-Final OA Dec 22, 2022
18084730 METHOD FOR EVALUATION OF OIL LISTS FOR ASPHALT PRODUCTION STOICA, ADRIAN 2188 Non-Final OA Dec 20, 2022
18081483 DATA ANALOG IDENTIFICATION METHOD SCHWARZENBERG, PAUL Non-Final OA Dec 14, 2022
18078623 METHODS FOR DETERMINING DIAGENETIC PATTERNS IN CARBONATE ROCKS BY RESONANCE AND PHOTOELECTRIC FACTOR PROFILES ALEXANDER, EMMA LYNNE 2857 Non-Final OA Dec 09, 2022
17989829 RHEOLOGICAL MODEL OF WATER-IN-OIL EMULSIONS OBTAINED BY ARTIFICIAL INTELLIGENCE GEBRESILASSIE, KIBROM K 2189 Non-Final OA Nov 18, 2022
17984692 METHOD FOR MODELING THE DAMAGE ZONE OF FAULTS IN FRACTURED RESERVOIRS ALHIJA, SAIF A 2186 Non-Final OA Nov 10, 2022
17983606 METHOD FOR UNIFORMIZATION OF FLOW FOR STIMULATION OPERATIONS MOLL, NITHYA JANAKIRAMAN 2189 Non-Final OA Nov 09, 2022
17981791 AUTOMATED METHOD FOR SELECTING OIL PRODUCING WELLS TO SUBSEA DEMULSIFIER INJECTION LAMBE, PATRICK F 3676 Final Rejection Nov 07, 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 Final Rejection Oct 28, 2022
17781328 NITRATES OF ETHERS OF GLYCEROL AND ETHANOL AS DIESEL CETANE IMPROVERS AND THE PRODUCTION PROCESS OF THE SAME WITHERSPOON, SIKARL A 1692 Final Rejection May 31, 2022
17659821 PROCESS FOR OBTAINING ALKYL-NAPHTHENICS STEIN, MICHELLE 1771 Non-Final OA Apr 19, 2022
17669902 MODELING A KARST FORMATION FOR A WELLBORE OPERATION HAO, YI 2187 Final Rejection Feb 11, 2022
17666272 CATALYSTS, PROCESS FOR OBTAINING AND STEAM PRE-REFORMING PROCESS OF HYDROCARBONS SPEER, JOSHUA MAXWELL 1736 Non-Final OA Feb 07, 2022

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