Prosecution Insights
Last updated: April 19, 2026

Amgen, Inc.

92 pending office actions • 15 clients

Portfolio Summary

92
Total Pending OAs
23
Final Rejections
69
Non-Final OAs

Client Portfolio (15 clients)

Client (Assignee)Pending OAs
Amgen, Inc. 65
Amgen, Inc. 9
Chemocentryx, Inc. 2
Horizon Therapeutics Usa, Inc. 2
Horizon Therapeutics Ireland Dac 2
VIELA BIO, INC. 2
Five Prime Therapeutics, Inc. 2
VIELA BIO, INC. 1
Amgen Research (Munich) GmbH 1
Five Prime Therapeutics, Inc. 1
Celimmune LLC 1
Horizon Therapeutics Ireland Dac 1
Kite Pharma, Inc. 1
Amgen Research (Munich) GmbH 1
Sbi Biotech Co., Ltd. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
19323227 Untitled VIELA BIO, INC. GODDARD, LAURA B 1642 Non-Final OA
19313405 CAPSULE FORMULATIONS Chemocentryx, Inc. SONG, JIANFENG 1613 Final Rejection Aug 28, 2025
19312046 KRAS G12C INHIBITORS AND METHODS OF USING THE SAME Amgen, Inc. KOSTURKO, GEORGE W 1621 Non-Final OA Aug 27, 2025
19309299 SOTORASIB DOSING REGIMEN Amgen, Inc. KOSTURKO, GEORGE W 1621 Final Rejection Aug 25, 2025
19281019 SYNTHESIS OF KEY INTERMEDIATE OF KRAS G12C INHIBITOR COMPOUND Amgen, Inc. SIMMONS, CHRIS E 1622 Non-Final OA Jul 25, 2025
18934755 SUSTAINABLE AND MODULAR PACKAGING SYSTEMS FOR CONTAINERS FOR PHARMACEUTICAL USE Amgen, Inc. ORTIZ, RAFAEL ALFREDO 3736 Non-Final OA Nov 01, 2024
18857085 SYSTEMS AND METHODS FOR CONFIGURING A ROBOT TO INTERFACE WITH EQUIPMENT Amgen, Inc. BUI, NHI QUYNH 3656 Non-Final OA Oct 15, 2024
18835139 Visual Inspection Systems for Containers of Liquid Pharmaceutical Products Amgen, Inc. PEREZ-GUZMAN, CARLOS GABRIEL 2877 Non-Final OA Aug 01, 2024
18696948 Heterocyclic Compounds and Methods of Use Amgen, Inc. NOLAN, JASON MICHAEL 1623 Non-Final OA Mar 28, 2024
18602268 ANION EXCHANGE CHROMATOGRAPHY PROCESSES USING A PRIMARY AMINE LIGAND Amgen, Inc. LOUNTOS, GEORGE THEMISTOCLIS 1652 Non-Final OA Mar 12, 2024
18684262 METHODS COMPRISING THERAPEUTIC COMPOUNDS AND IN VITRO MAMMALIAN SKIN Amgen, Inc. CLARKE, TRENT R 1651 Non-Final OA Feb 16, 2024
18435746 TIGIT AND CD112R BLOCKADE Amgen, Inc. GAO, ASHLEY HARTMAN 1678 Non-Final OA Feb 07, 2024
18681252 ISOLATION OF THERAPEUTIC PROTEIN Amgen, Inc. HOLLAND, PAUL J 1656 Non-Final OA Feb 05, 2024
18411245 COMBINATION THERAPY USING A CHEMOKINE RECEPTOR 2 (CCR2) ANTAGONIST AND A PD-1/PD-L1 INHIBITOR Chemocentryx, Inc. MCMILLIAN, KARA RENITA 1623 Final Rejection Jan 12, 2024
18535068 FORMULATIONS OF HUMAN ANTI-RANKL ANTIBODIES, AND METHODS OF USING THE SAME Amgen, Inc. LANDSMAN, ROBERT S 1647 Non-Final OA Dec 11, 2023
18562107 SOTORASIB DOSING REGIMEN Amgen, Inc. CHANDRAKUMAR, NIZAL S 1625 Non-Final OA Nov 17, 2023
18503009 DOSING REGIMEN OF KRAS G12C INHIBITOR Amgen, Inc. AULAKH, CHARANJIT 1621 Non-Final OA Nov 06, 2023
18502780 NOVEL PRMT5 INHIBITORS Amgen, Inc. COLEMAN, BRENDA LIBBY 1624 Non-Final OA Nov 06, 2023
18558827 SOTORASIB FORMULATION Amgen, Inc. GOTFREDSON, GAREN 1619 Non-Final OA Nov 03, 2023
18288410 ETELCALCETIDE FORMULATIONS Amgen, Inc. LEE, JIA-HAI 1658 Non-Final OA Oct 26, 2023
18556998 METHODS FOR REDUCING LOW MOLECULAR WEIGHT SPECIES OF RECOMBINANTLY-PRODUCED PROTEINS Amgen Research (Munich) GmbH SZPERKA, MICHAEL EDWARD 1641 Non-Final OA Oct 24, 2023
18381745 DUAL RECEPTOR ANTAGONISTIC ANTIGEN-BINDING PROTEINS AND USES THEREOF Amgen, Inc. LI, RUIXIANG 1674 Non-Final OA Oct 19, 2023
18376677 REDUCING IMMUNOGENICITY TO PEGLOTICASE Horizon Therapeutics Usa, Inc. BORI, IBRAHIM D 1629 Non-Final OA Oct 04, 2023
18285125 MAGEB2 BINDING CONSTRUCTS Amgen, Inc. JOHANSEN, PETER N. 1644 Non-Final OA Sep 29, 2023
18284590 MODULATING PRODUCT QUALITY OF ASYMMETRIC MULTISPECIFIC ANTIBODIES THROUGH THE USE OF TEMPERATURE Amgen, Inc. AEDER, SEAN E 1642 Non-Final OA Sep 28, 2023
18550647 DRUG DELIVERY DEVICE Amgen, Inc. FREHE, WILLIAM R 3783 Non-Final OA Sep 14, 2023
18241564 LEAN PERFUSION CELL CULTURE METHODS Amgen, Inc. BARRON, SEAN C 1653 Non-Final OA Sep 01, 2023
18548484 METHODS FOR THE TREATMENT OF THYROID EYE DISEASE Horizon Therapeutics Ireland Dac DONOGHUE, BRITTNEY ERIN 1675 Non-Final OA Aug 30, 2023
18264216 TRICYCLIC-AMIDO-BICYCLIC PRMT5 INHIBITORS Amgen, Inc. O DELL, DAVID K 1621 Non-Final OA Aug 03, 2023
18224463 FORMULATED RECEPTOR POLYPEPTIDES AND RELATED METHODS Amgen, Inc. MCCOLLUM, ANDREA K 1674 Non-Final OA Jul 20, 2023
18270581 USE OF KRAS G12C INHIBITOR IN TREATING CANCERS Amgen, Inc. HASTINGS, ALISON AZAR 1627 Non-Final OA Jun 30, 2023
18255575 TRICYCLIC CARBOXAMIDE DERIVATIVES AS PRMT5 INHIBITORS Amgen, Inc. PECKHAM, RICHARD GRANT 1627 Non-Final OA Jun 01, 2023
18324056 METHODS AND COMPOSITIONS FOR TREATMENT OF THYROID EYE DISEASE Horizon Therapeutics Ireland Dac LUNDE, GRACE HENRY 1641 Non-Final OA May 25, 2023
18038579 ENANTIOSELECTIVE ALKENYLATION OF ALDEHYDES Amgen, Inc. MOORE, SUSANNA 1624 Non-Final OA May 24, 2023
18037128 REAL TIME PCR METHOD TO DETECT BOVINE PARVOVIRUS 3 Amgen, Inc. SIFFORD, JEFFREY MARK 1671 Non-Final OA May 16, 2023
18316739 Antibody Constructs for CLDN18.2 and CD3 Amgen, Inc. MOSELEY II, NELSON B 1642 Non-Final OA May 12, 2023
18251553 MATERIALS AND METHODS FOR PROTEIN PROCESSING Amgen, Inc. BANERJEE, KOYELI 1658 Non-Final OA May 03, 2023
18035054 METHODS FOR ADMINISTERING A BCMAXCD3 BINDING MOLECULE Amgen, Inc. HADDAD, MAHER M 1641 Non-Final OA May 02, 2023
18034620 OVEREXPRESSION OF INSULIN-LIKE GROWTH FACTOR RECEPTOR MUTANTS TO MODULATE IGF SUPPLEMENTATION Amgen, Inc. RAHMAN, MASUDUR 1633 Non-Final OA Apr 28, 2023
18305165 ILT7 BINDING MOLECULES AND METHODS OF USING THE SAME VIELA BIO, INC. MERTZ, PREMA MARIA 1674 Non-Final OA Apr 21, 2023
18303303 USE OF AN ANTI-CD19 ANTIBODY TO TREAT AUTOIMMUNE DISEASE VIELA BIO, INC. DAHLE, CHUN WU 1641 Non-Final OA Apr 19, 2023
18031691 RELATIVE UNPAIRED GLYCANS IN ANTIBODY PRODUCTION METHODS Amgen, Inc. ROBINSON, HOPE A 1652 Non-Final OA Apr 13, 2023
18248979 ANTI-C-C CHEMOKINE RECEPTOR 8 (CCR8) ANTIBODIES AND METHODS OF USE THEREOF Five Prime Therapeutics, Inc. FAUST, AMBER KATHLEEN 1643 Non-Final OA Apr 13, 2023
18248345 RATIONAL SELECTION OF BUILDING BLOCKS FOR THE ASSEMBLY OF MULTISPECIFIC ANTIBODIES Amgen, Inc. HUYNH, PHUONG N 1641 Non-Final OA Apr 07, 2023
18030685 PROCESS FOR RACEMIZING AND ISOLATING ATROPISOMERS OF 7-CHLORO-6-FLUORO-1-(2-ISOPROPYL-4-METHYLPYRIDIN-3-YL)PYRIDO[2,3-D]PYRIMIDINE-2,4(1H,3H)-DIONE Amgen, Inc. RAHMANI, NILOOFAR 1691 Non-Final OA Apr 06, 2023
18296211 AMORPHOUS AND CRYSTALLINE FORMS OF MCL-1 ANTAGONISTS Amgen, Inc. SANCHEZ, JUSTIN CHRISTOPHER 1622 Non-Final OA Apr 05, 2023
18029995 POLYVINYL SULFONATE DETECTION AND REMOVAL FROM BIOMOLECULE COMPOSITIONS Amgen, Inc. HORLICK, KENNETH R 1681 Non-Final OA Apr 03, 2023
18189712 Methods and Compositions for the Treatment of Celiac Disease, Non-Celiac Gluten Sensitivity, and Refractory Celiac Disease Celimmune LLC WEN, SHARON X 1641 Non-Final OA Mar 24, 2023
18245004 METHODS OF DETECTING ISOASPARTIC ACID Amgen, Inc. XU, XIAOYUN 1797 Final Rejection Mar 13, 2023
18044158 MATERIALS AND METHODS TO REDUCE PROTEIN AGGREGATION Amgen, Inc. ALLEN, MARIANNE P 1647 Final Rejection Mar 06, 2023
18042267 ANTIGEN BINDING PROTEINS WITH NON-CANONICAL DISULFIDE IN FAB REGION Amgen, Inc. BRISTOL, LYNN ANNE 1643 Non-Final OA Feb 20, 2023
18020761 METHODS OF TREATING GOUT Horizon Therapeutics Usa, Inc. LEESER, ERICH A 1622 Non-Final OA Feb 10, 2023
18018389 CELL CULTURE MEDIA AND METHODS OF MAKING AND USING THE SAME Amgen, Inc. VAN BUREN, LAUREN K 1638 Non-Final OA Jan 27, 2023
18007560 RNAI CONSTRUCTS FOR INHIBITING HSD17B13 EXPRESSION AND METHODS OF USE THEREOF Amgen, Inc. SHIN, DANA H 1635 Non-Final OA Dec 01, 2022
17928561 ANTIBODY FORMULATIONS AND USES THEREOF Amgen, Inc. KIM, YUNSOO 1641 Non-Final OA Nov 29, 2022
18057637 METHODS FOR THE TREATMENT OF IDIOPATHIC ORBITAL INFLAMMATION AND RELATED CONDITIONS Horizon Therapeutics Ireland Dac FORD, VANESSA L 1674 Non-Final OA Nov 21, 2022
17923347 Deep Learning Platforms for Automated Visual Inspection Amgen, Inc. HICKS, AUSTIN JAMES 2124 Non-Final OA Nov 04, 2022
17774125 METHODS FOR TREATING LEUKEMIA Amgen, Inc. BENAVIDES, JENNIFER ANN 1675 Non-Final OA Oct 31, 2022
17916843 Synthesis of vinylic alcohol intermediates Amgen, Inc. HAVLIN, ROBERT H 1626 Non-Final OA Oct 04, 2022
17913629 MONOCLONAL ANTIBODIES TO CHEMICALLY-MODIFIED NUCLEIC ACIDS AND USES THEREOF Amgen, Inc. EMCH, GREGORY S 1678 Non-Final OA Sep 22, 2022
17818256 FGFR2 INHIBITORS ALONE OR IN COMBINATION WITH IMMUNE STIMULATING AGENTS IN CANCER TREATMENT Five Prime Therapeutics, Inc. DUFFY, BRADLEY 1643 Final Rejection Aug 08, 2022
17810142 STABLE CYCLODEXTRIN FREE CARFILZOMIB FORMULATION Amgen, Inc. BASQUILL, SEAN M 1614 Non-Final OA Jun 30, 2022
17786375 INTERLEUKIN-2 IN COMBINATION WITH TNF RECEPTOR FAMILY MEMBERS FOR THE EXPANSION OF T-REGULATORY CELLS Amgen, Inc. PATTERSON, SARAH COOPER 1675 Final Rejection Jun 16, 2022
17751586 CHIMERIC RECEPTORS TO FLT3 AND METHODS OF USE THEREOF Kite Pharma, Inc. NATARAJAN, MEERA 1643 Final Rejection May 23, 2022
17778361 NOVEL MULTISPECIFIC ANTIBODY FORMAT Amgen, Inc. DONOGHUE, BRITTNEY ERIN 1675 Non-Final OA May 19, 2022
17776622 HEMATOPOIETIC PRECURSOR CELL PRODUCTION Amgen, Inc. PRONZATI, GINA 1633 Final Rejection May 13, 2022
17775543 DOSAGE REGIMEN FOR ANTI-EGFRVIII AGENTS Amgen Research (Munich) GmbH CHASE, CAROL ANN 1646 Final Rejection May 09, 2022
17775257 METHOD OF TREATING OR AMELIORATING CUSHING'S SYNDROME USING BINDING PROTEINS FOR GASTRIC INHIBITORY PEPTIDE RECEPTOR (GIPR) Amgen, Inc. ALLEN, MARIANNE P 1647 Non-Final OA May 06, 2022
17775063 ENGINEERING CHARGE PAIR MUTATIONS FOR PAIRING OF HETERO-IgG MOLECULES Amgen, Inc. DUFFY, BRADLEY 1643 Final Rejection May 06, 2022
17773886 HIGH SALT LOAD CONDITIONING DURING CATION EXCHANGE CHROMATOGRAPHY TO REMOVE PRODUCT-RELATED IMPURITIES Amgen, Inc. DEBERRY, REGINA M 1647 Non-Final OA May 03, 2022
17773892 HIGH SALT WASHES DURING CATION EXCHANGE CHROMATOGRAPHY TO REMOVE PRODUCT-RELATED IMPURITIES Amgen, Inc. SHELTON, SYNPHANE LA'SHAWN 1652 Non-Final OA May 03, 2022
17773800 CD80 EXTRACELLULAR DOMAIN FC FUSION PROTEIN REGIMENS Five Prime Therapeutics, Inc. DENT, ALANA HARRIS 1643 Non-Final OA May 02, 2022
17763824 METHODS OF PRODUCING ANTIBODY COMPOSITIONS Amgen, Inc. IVICH, FERNANDO NMN 1678 Final Rejection Mar 25, 2022
17686766 MAMMALIAN CELL CULTURE Amgen, Inc. REGLAS, GEORGIANA C 1651 Non-Final OA Mar 04, 2022
17640177 IL-22 ORAL, INTRA-RECTAL, OR OTHER GUT-RELATED COMPOSITIONS AND METHODS OF USE THEREOF Amgen, Inc. GURLEY, JAMI MICHELLE 1647 Non-Final OA Mar 03, 2022
17632330 KIF18A INHIBITORS Amgen, Inc. MAHLUM, JONATHAN DAVIS 1625 Final Rejection Feb 02, 2022
17624824 MULTISPECIFIC TRANSTHYRETIN IMMUNOGLOBULIN FUSIONS Amgen, Inc. LEE, JIA-HAI 1658 Non-Final OA Jan 04, 2022
17620645 PURIFICATION METHODS FOR CARBOHYDRATE-LINKED OLIGONUCLEOTIDES Amgen, Inc. GALSTER, SAMUEL LEONARD 1693 Final Rejection Dec 17, 2021
17616366 METHODS OF IDENTIFYING ATTRIBUTES OF THERAPEUTIC PROTEINS Amgen, Inc. SIMMONS, VALERIE MICHELLE 1758 Final Rejection Dec 03, 2021
17616616 SYSTEMS FOR PERFORMING CELLULAR ANALYSIS AND RELATED DEVICES FOR CONDITIONING ENVIRONMENTS ADJACENT CHIPS IN SUCH SYSTEMS Amgen, Inc. TURK, NEIL N 1798 Non-Final OA Dec 03, 2021
17615520 RNAI CONSTRUCTS FOR INHIBITING SCAP EXPRESSION AND METHODS OF USE THEREOF Amgen, Inc. SULLIVAN, STEPHANIE LAUREN 1635 Non-Final OA Nov 30, 2021
17609363 MODULATING ANTIBODY EFFECTOR FUNCTIONS Amgen, Inc. STONEBRAKER, ALYSSA RAE 1642 Final Rejection Nov 05, 2021
17436696 GROWTH DIFFERENTIATION FACTOR 15 COMBINATION THERAPY Amgen, Inc. SZPERKA, MICHAEL EDWARD 1641 Final Rejection Sep 07, 2021
17436218 IN VIVO REVERSIBILITY OF HIGH MOLECULAR WEIGHT SPECIES Amgen, Inc. FRITCHMAN, REBECCA M 1758 Non-Final OA Sep 03, 2021
17401114 RNAi CONSTRUCTS AND METHODS FOR INHIBITING MARC1 EXPRESSION Amgen, Inc. VYAS, KEYUR ANILKUMAR 1637 Final Rejection Aug 12, 2021
17277533 PLATFORM ASSEMBLY PROCESS FOR DRUG DELIVERY DEVICE Amgen, Inc. LALONDE, ALEXANDRA ELIZABETH 3783 Final Rejection Mar 18, 2021
17264386 DOSING REGIMEN FOR BCMA-CD3 BISPECIFIC ANTIBODIES Amgen, Inc. PETRASH, HILARY ANN 1644 Final Rejection Jan 29, 2021
17262962 PHARMACEUTICAL FORMULATIONS OF MASKED ANTIBODIES Amgen, Inc. SWARTWOUT, BRIANNA KENDALL 1644 Non-Final OA Jan 25, 2021
17036690 DRUG DELIVERY DEVICE Amgen, Inc. LALONDE, ALEXANDRA ELIZABETH 3783 Final Rejection Sep 29, 2020
16763515 METHODS FOR PRODUCING PROTEIN PRODUCTS Amgen, Inc. HURST, JONATHAN M 1799 Final Rejection May 12, 2020
16869793 DOSING REGIMEN FOR ANTI-BCMA AGENTS Amgen, Inc. BRISTOL, LYNN ANNE 1643 Non-Final OA May 08, 2020
16799441 ANTI-ILT7 ANTIBODY Sbi Biotech Co., Ltd. JUEDES, AMY E 1644 Final Rejection Feb 24, 2020

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