Prosecution Insights
Last updated: April 19, 2026

Posco Co. Ltd.

79 pending office actions

Portfolio Summary

79
Total Pending OAs
26
Final Rejections
53
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18994121 FLASHBUTT WELDING MEMBER WITH EXCELLENT PROCESSABILITY AND MANUFACTURING METHOD COLLISTER, ELIZABETH A 1784 Non-Final OA Jan 14, 2025
18994123 Welding Member Having Excellent Weld Fatigue Characteristics COLLISTER, ELIZABETH A 1784 Non-Final OA Jan 14, 2025
18873508 STEEL SHEET HAVING GOOD PLATING QUALITY AND MANUFACTURING METHOD THEREFOR KRUPICKA, ADAM C 1784 Non-Final OA Dec 10, 2024
18873319 PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT PLATING QUALITY, STEEL SHEET, AND RESPECTIVE METHODS FOR MANUFACTURING SAME KRUPICKA, ADAM C 1784 Non-Final OA Dec 09, 2024
18870209 PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVING EXCELLENT PLATING QUALITY, STEEL SHEET AND MANUFACTURING METHOD THEREFOR KRUPICKA, ADAM C 1784 Non-Final OA Nov 27, 2024
18868518 HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING GOOD PLATING QUALITY, STEEL SHEET FOR PLATING, AND METHODS FOR MANUFACTURING SAME KRUPICKA, ADAM C 1784 Non-Final OA Nov 22, 2024
18709375 IMPACT REINFORCEMENT COMPONENT AND METHOD FOR MANUFACTURING SAME O'NEILL, MATTHEW JAMES 3614 Non-Final OA Nov 19, 2024
18708845 SIDE SILL FOR VEHICLE PAPE, JOSEPH 3612 Non-Final OA Oct 29, 2024
18918969 ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND CORROSION RESISTANCE AND METHOD FOR MANUFACTURING SAME ROLLAND, ALEX A 1759 Non-Final OA Oct 17, 2024
18830214 ALUMINUM-BASED PLATED STEEL PLATE FOR HOT PRESS HAVING EXCELLENT RESISTANCE AGAINST HYDROGEN DELAYED FRACTURE AND SPOT WELDABILITY, AND METHOD FOR MANUFACTURING SAME OMORI, MARY I 1784 Final Rejection Sep 10, 2024
18838858 HOT PRESS-FORMED PART AND MANUFACTURING METHOD THEREOF CHRISTY, KATHERINE A 1784 Non-Final OA Aug 15, 2024
18798699 COATING WEIGHT CONTROL APPARATUS AND COATING WEIGHT CONTROL METHOD ABOAGYE, MICHAEL 1733 Non-Final OA Aug 08, 2024
18794600 PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN BRITTLENESS RESISTANCE AND IMPACT RESISTANCE, HOT PRESS FORMED PARTS, AND MANUFACTURING METHODS THEREOF SCHLEIS, DANIEL J 1784 Non-Final OA Aug 05, 2024
18723234 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME CHRISTY, KATHERINE A 1784 Non-Final OA Jul 25, 2024
18722344 INSULATION COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME LEONG, NATHAN T 1718 Final Rejection Jun 20, 2024
18719879 ADHESIVE COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET LAMINATE, AND METHOD FOR MANUFACTURING ELECTRICAL STEEL SHEET PRODUCT JACKSON, MONIQUE R 1787 Non-Final OA Jun 14, 2024
18711802 SEAT FRAME CHEN, JOSE V 3637 Non-Final OA May 20, 2024
18711439 COLD ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR CHRISTY, KATHERINE A 1784 Final Rejection May 17, 2024
18701814 ULTRATHICK STEEL MATERIALS FOR FLANGE HAVING EXCELLENT STRENGTH AND LOW TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD THEREFOR YANG, JIE 1734 Final Rejection Apr 16, 2024
18698489 VARIABLE DIE AND PRESSING APPARATUS KATCOFF, MATTHEW GORDON 3725 Non-Final OA Apr 04, 2024
18693983 HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND LOW MATERIAL VARIATION, AND METHOD FOR MANUFACTURING SAME KOSHY, JOPHY STEPHEN 1733 Final Rejection Mar 21, 2024
18688707 PLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE AND WHITENESS AND METHOD FOR MANUFACTURING SAME LA VILLA, MICHAEL EUGENE 1784 Non-Final OA Mar 01, 2024
18687154 TUBE STRUCTURE NGUYEN, CHI Q 3635 Non-Final OA Feb 27, 2024
18681688 PLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE ANDD SURFACE APPEARANCE AND METHOD FOR MANUFACTURING SAME LA VILLA, MICHAEL EUGENE 1784 Non-Final OA Feb 06, 2024
18294044 HOT-ROLLED STEEL PLATE AND STEEL TUBE HAVING EXCELLENT ABRASION RESISTANCE, AND MANUFACTURING METHOD THEREOF SMITH, CATHERINE P 1735 Final Rejection Jan 31, 2024
18574620 SIDE SILL FOR VEHICLE FULLER, ROBERT EDWARD 3676 Non-Final OA Dec 27, 2023
18574624 SIDE SILL FOR VEHICLE PAPE, JOSEPH 3612 Non-Final OA Dec 27, 2023
18570960 SIDE SILL FOR VEHICLE LYNCH, CARLY W 3643 Non-Final OA Dec 15, 2023
18288286 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME WANG, XIAOBEI 1784 Non-Final OA Oct 25, 2023
18286166 STEEL MATERIAL FOR HOT FORMING, HOT-FORMED MEMBER, AND MANUFACTURING METHOD THEREFOR CHRISTY, KATHERINE A 1784 Non-Final OA Oct 09, 2023
18284688 FLOATING PLATFORM AND FLOATING OFFSHORE WIND POWER EQUIPMENT COMPRISING SAME NGUYEN, VIET P 2834 Final Rejection Sep 28, 2023
18372314 STEEL SHEET FOR HOT PRESS FORMED MEMBER WU, JENNY R 1733 Non-Final OA Sep 25, 2023
18280011 TAILOR WELDED BLANK, HOT PRESS FORMED PART, AND METHOD FOR MANUFACTURING SAME KESSLER, CHRISTOPHER S 1759 Non-Final OA Sep 01, 2023
18233553 ANNEALING SEPARATOR COMPOSITION FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET, GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET WANG, XIAOBEI 1784 Non-Final OA Aug 14, 2023
18268755 ELECTRICAL STEEL SHEET AND LAMINATE THEREOF JACKSON, MONIQUE R 1787 Final Rejection Jul 18, 2023
18268841 NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME WU, JENNY R 1733 Final Rejection Jul 18, 2023
18268518 NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME OMORI, MARY I 1784 Non-Final OA Jul 13, 2023
18268441 GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR SU, XIAOWEI 1733 Non-Final OA Jul 11, 2023
18268806 ELECTRICAL STEEL SHEET, AND ELECTRICAL STEEL SHEET LAMINATE RICE, STEVEN 1787 Final Rejection Jun 21, 2023
18268780 ADHESIVE COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET LAMINATE, AND MANUFACTURING METHOD THEREFOR RICE, STEVEN 1787 Final Rejection Jun 21, 2023
18268768 ADHESIVE COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET LAMINATE AND MANUFACTURING METHOD THEREFOR COPENHEAVER, BLAINE R 1781 Final Rejection Jun 21, 2023
18268838 ADHESIVE COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET LAMINATE, AND METHOD FOR MANUFACTURING SAME RICE, STEVEN 1787 Final Rejection Jun 21, 2023
18268576 SELF-BONDING ELECTRICAL STEEL SHEET AND LAMINATE COMPRISING SAME LAWLER, JOHN VINCENT 1787 Final Rejection Jun 20, 2023
18268557 MARTENSITIC STAINLESS STEEL WITH IMPROVED STRENGTH AND CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR MOORE, ALEXANDRA MARIE 1738 Non-Final OA Jun 20, 2023
18268387 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME LUK, VANESSA TIBAY 1733 Non-Final OA Jun 20, 2023
18268388 COLD-ROLLED STEEL SHEET HAVING EXCELLENT PROCESSABILITY AND MANUFACTURING METHOD THEREOF KRUPICKA, ADAM C 1784 Final Rejection Jun 20, 2023
18268571 STEEL SHEET WITH EXCELLENT PHOSPHATABILITY AND MANUFACTURING METHOD THEREFOR SIDDIQUI, ADIL ABDUL WAJID 1735 Non-Final OA Jun 20, 2023
18268572 PLATED STEEL SHEET FOR EXTERIOR PANEL, AND METHOD FOR MANUFACTURING SAME SHAMS, NAZMUN NAHAR 1738 Non-Final OA Jun 20, 2023
18268087 WIRE ROD FOR ULTRAHIGH-STRENGTH SPRINGS, STEEL WIRE, AND MANUFACTURING METHOD THEREFOR SIDDIQUI, ADIL ABDUL WAJID 1735 Non-Final OA Jun 16, 2023
18267556 WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RESISTANCE AND NITRIDING PROPERTIES, AND METHODS FOR MANUFACTURING SAME HEVEY, JOHN A 1735 Non-Final OA Jun 15, 2023
18267674 STEEL SHEET FOR SEISMIC DAMPER HAVING SUPERIOR TOUGHNESS PROPERTY AND MANUFACTURING METHOD OF SAME DUMBRIS, SETH M 1784 Non-Final OA Jun 15, 2023
18267767 HIGH-YIELD-RATIO ULTRA-HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT THERMAL STABILITY, AND MANUFACTURING METHOD THEREFOR WU, JENNY R 1733 Final Rejection Jun 15, 2023
18267381 HIGH STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT COATABILITY AND METHOD OF MANUFACTURING SAME OMORI, MARY I 1784 Non-Final OA Jun 14, 2023
18267237 STEEL WIRE WITH IMPROVED DRAWABILITY, AND MANUFACTURING METHOD THEREFOR LUK, VANESSA TIBAY 1733 Final Rejection Jun 14, 2023
18267428 HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING SAME KOSHY, JOPHY STEPHEN 1733 Non-Final OA Jun 14, 2023
18267014 COMPOSITE STEEL SHEET HAVING EXCELLENT ADHESIVENESS, AND MANUFACTURING METHOD THEREFOR OMORI, MARY I 1784 Non-Final OA Jun 13, 2023
18267082 HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME SU, XIAOWEI 1733 Non-Final OA Jun 13, 2023
18266777 WELDED STRUCTURAL MEMBER HAVING EXCELLENT CRACK RESISTANCE AND MANFUACTURING METHOD THEREOF KRUPICKA, ADAM C 1784 Final Rejection Jun 12, 2023
18266765 ULTRA-HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT YIELD STRENGTH AND BENDING PROPERTIES AND METHOD FOR MANUFACTURING SAME YANG, JIE 1734 Final Rejection Jun 12, 2023
18265879 STAINLESS STEEL FOR FUEL CELL SEPARATOR HAVING EXCELLENT THROUGH-PLANE ELECTRICAL CONDUCTIVITY AND CORROSION RESISTANCE AND METHOD FOR MANUFACTURING SAME BERNATZ, KEVIN M 1785 Non-Final OA Jun 07, 2023
18265574 EXTREMELY THICK STEEL PLATE FOR STEAM DRUM HAVING EXCELLENT SURFACE QUALITY AND LAMELLAR TEAR RESISTANCE, AND MANUFACTURING METHOD FOR SAME CARDA, DANIELLE MARIE 1738 Non-Final OA Jun 06, 2023
18265345 FERRITIC STAINLESS STEEL WITH IMPROVED RIDGING RESISTANCE AND ITS MANUFACTURING METHOD KOSHY, JOPHY STEPHEN 1733 Non-Final OA Jun 05, 2023
18039175 HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET WITH EXCELLENT PLATING QUALITY, STEEL SHEET FOR PLATING, AND MANUFACTURING METHODS THEREFOR KRUPICKA, ADAM C 1784 Non-Final OA May 26, 2023
18038757 STEEL MATERIAL FOR SEISMIC DAMPER HAVING SUPERIOR IMPACT TOUGHNESS, AND MANUFACTURING METHOD FOR SAME SU, XIAOWEI 1733 Non-Final OA May 25, 2023
18038604 PRESSURE VESSEL STEEL PLATE HAVING EXCELLENT HIGH TEMPERATURE PWHT RESISTANCE AND METHOD FOR MANUFACTURING SAME HEVEY, JOHN A 1735 Final Rejection May 24, 2023
18038389 STAINLESS STEEL FOR FUEL CELL SEPARATOR WITH EXCELLENT SURFACE HYDROPHILICITY AND ELECTRICAL CONDUCTIVITY, AND MANUFACTURING METHOD THEREOF CARPENTER, JOSHUA S 1733 Final Rejection May 23, 2023
18038396 AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMPROVED CONTACT RESISTANCE AND MANUFACTURING METHOD THEREOF HEVEY, JOHN A 1735 Final Rejection May 23, 2023
18037468 HOT ROLLED STEEL HAVING LOW COMPRESSIVE STRENGTH LOSS AFTER BEING PROCESSED INTO STEEL PIPE, AND MANUFACTURING METHOD THEREFOR WU, JENNY R 1733 Non-Final OA May 17, 2023
18036645 HIGH YIELD RATIO AND HIGH STRENGTH STEEL SHEET HAVING EXCELLENT THERMAL STABILITY, AND MANUFACTURING METHOD THEREFOR OMORI, MARY I 1784 Final Rejection May 11, 2023
18196261 HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT IMPACT RESISTANCE, AND METHOD FOR MANUFACTURING SAME LIANG, ANTHONY M 1734 Final Rejection May 11, 2023
18034953 BATTERY CASE YOON, KEVIN E 1735 Non-Final OA May 02, 2023
18033244 ELECTROMAGNETIC INSPECTION DEVICE CAPABLE OF CALIBRATION SCHINDLER, DAVID M 2858 Final Rejection Apr 21, 2023
18135934 SHAPE CHECKING DEVICE FOR BENDING MATERIAL AND CONTINUOUS FORMING MACHINE NGUYEN, QUANG X.L. 2853 Final Rejection Apr 18, 2023
18032286 APPARATUS FOR PREVENTING WELDING DISTORTION, AND METHOD FOR WELDING PIPE AND FLANGE USING THE SAME BACHNER, ROBERT G 2898 Non-Final OA Apr 17, 2023
18028439 HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT THERMAL STABILITY, AND METHOD FOR MANUFACTURING SAME KOSHY, JOPHY STEPHEN 1733 Non-Final OA Mar 24, 2023
18028076 SIDE SILL FOR VEHICLE PAPE, JOSEPH 3612 Non-Final OA Mar 23, 2023
18027522 SIDE FRAME FOR BATTERY CASE CANTELMO, GREGG 1725 Non-Final OA Mar 21, 2023
18019183 HOT-ROLLED STEEL PLATE HAVING EXCELLENT IMPACT TOUGHNESS OF WELDED ZONE AND METHOD FOR MANUFACTURING SAME MCGUTHRY BANKS, TIMA MICHELE 1733 Non-Final OA Feb 01, 2023
18017125 METHOD AND APPARATUS MANUFACTURING HOT PRESS FORMED PARTS FOR MULTI-STEP PROCESS EKIERT, TERESA M 3725 Non-Final OA Jan 20, 2023

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