Prosecution Insights
Last updated: April 19, 2026

Pfizer, Inc.

49 pending office actions

Portfolio Summary

49
Total Pending OAs
12
Final Rejections
37
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18754913 HEALTH INFORMATION PLATFORM KHATTAR, RAJESH 3684 Final Rejection Jun 26, 2024
18722420 WEARABLE COMPANION FOR DETECTING THE CYTOKINE RELEASE SYNDROME ABDULLAH, AAISHA 3681 Non-Final OA Jun 20, 2024
18535116 IMMUNOGENIC COMPOSITIONS AND METHODS FOR ELICITING AN IMMUNE RESPONSE AGAINST CLOSTRIDIOIDES (CLOSTRIDIUM) DIFFICILE HAUK TEODORO, PRICILA NMN 1645 Non-Final OA Dec 11, 2023
18528539 ANTI-EDB ANTIBODIES AND ANTIBODY-DRUG CONJUGATES MCCOLLUM, ANDREA K 1674 Final Rejection Dec 04, 2023
18562387 RECOMBINANT EXPRESSION OF KLEBSIELLA PNEUMONIAE O-ANTIGENS IN ESCHERICHIA COLI GANGLE, BRIAN J 1645 Non-Final OA Nov 20, 2023
18557987 VACCINATION AGAINST BACTERIAL AND BETACORONAVIRUS INFECTIONS FOLEY, SHANON A 1671 Non-Final OA Oct 30, 2023
18488191 COMPOUND FOR THE TREATMENT OF CANCER KLINKEL, KORTNEY L 1627 Non-Final OA Oct 17, 2023
18555058 COMBINATION THERAPY COMPRISING A PKC INHIBITOR AND A MEK INHIBITOR O DELL, DAVID K 1621 Non-Final OA Oct 12, 2023
18552453 Ether-Linked Antiviral Compounds ANDERSON, REBECCA L 1626 Non-Final OA Sep 26, 2023
18551038 PHARMACEUTICAL COMPOSITIONS CONTAINING ADENO-ASSOCIATED VIRAL VECTOR SMITH, ADAM MICHAEL 1638 Non-Final OA Sep 18, 2023
18549158 Treatment of Breast Cancer with Amcenestrant and Palbociclib LEESER, ERICH A 1622 Non-Final OA Sep 05, 2023
18459381 CELL CULTURE PROCESS NGUYEN, NGHI V 1653 Non-Final OA Aug 31, 2023
18275634 Methods of Protecting RNA MCKILLOP, JOHN CHARLES 1637 Non-Final OA Aug 03, 2023
18359250 Dosing Regime For Treatment of Chronic Hand Eczema BREDEFELD, RACHAEL EVA 3786 Non-Final OA Jul 26, 2023
18350986 CELLS AND METHOD OF CELL CULTURE HUMPHRIES, NICHOLAS ADAM 1631 Non-Final OA Jul 12, 2023
18347698 SELF-AMPLIFYING RNA ENCODING AN INFLUENZA VIRUS ANTIGEN CHEN, STACY BROWN 1672 Non-Final OA Jul 06, 2023
18255869 METHODS AND COMPOSITIONS FOR INHIBITING EXCESS NUCLEIC ACID PRECIPITATION TSAY, MARSHA M 1656 Non-Final OA Jun 04, 2023
18255868 METHODS FOR PURIFICATION OF AAV VECTORS BY AFFINITY CHROMATOGRAPHY TINSLEY, BRENDAN THOMAS 1634 Non-Final OA Jun 04, 2023
18322395 PURIFICATION OF ANTIBODY DRUG CONJUGATES USING A SODIUM PHOSPHATE GRADIENT GAMETT, DANIEL C 1647 Non-Final OA May 23, 2023
18036760 SYSTEM AND METHOD FOR NEEDLE HIDING IN INJECTORS LANGE, ERIC A 3783 Non-Final OA May 12, 2023
18036141 TALAZOPARIB SOFT GELATIN CAPSULE DOSAGE FORM MERCIER, MELISSA S 1615 Final Rejection May 09, 2023
18252124 Immunogenic compositions comprising conjugated capsular saccharide antigens and uses thereof OGUNBIYI, OLUWATOSIN A 1645 Non-Final OA May 08, 2023
18034239 IMMUNOGENIC COMPOSITIONS FOR USE IN PNEUMOCOCCAL VACCINES MORGAN, BAILEY MICHELLE 1645 Non-Final OA Apr 27, 2023
18250570 CRYSTAL-FREE HIGH-CONCENTRATION TESTOSTERONE CYPIONATE FORMULATIONS MITCHELL, EDWIN COLEMAN 1619 Final Rejection Apr 26, 2023
18250252 Methods for Purification of AAV Vectors by Anion Exchange Chromatography ALAM, DANYAL HASSAN 1672 Non-Final OA Apr 24, 2023
18249411 Methods for purifying bacterial polysaccharides PATEL, PRANAV N 1777 Non-Final OA Apr 18, 2023
18301475 Benzimidazole Derivative Compounds and Uses Thereof HASTINGS, ALISON AZAR 1627 Non-Final OA Apr 17, 2023
18247565 Cell culture process for producing RSV F protein CHESTNUT, BARRY A 1672 Non-Final OA Mar 31, 2023
18025879 METHODS, THERAPIES AND USES FOR TREATING CANCER HOLTZMAN, KATHERINE ANN 1646 Non-Final OA Mar 10, 2023
18024245 STREAMLINED ASSAY PREPARATION YOUNG, NATASHA E 1774 Non-Final OA Mar 01, 2023
18175796 MULTISPECIFIC ANTIBODIES AND USES THEREOF HECK, BRYAN WILLIAM 1643 Non-Final OA Feb 28, 2023
18041447 Methods of Protecting RNA BATES, KEENAN ALEXANDER 1631 Non-Final OA Feb 13, 2023
18006800 IMPROVEMENTS TO WASH SOLUTIONS FOR ANION EXCHANGE CHROMATOGRAPHY IN A METHOD OF PURIFICATION OF RECOMBINANTLY-PRODUCED RSV PROTEINS IANNUZO, NATALIE NMN 1653 Non-Final OA Jan 25, 2023
18004965 Polymorphs of (1S,2S,3S,5R)-3-((6-(Difluoromethyl)-5-Fluoro-1,2,3,4-Tetrahydroisoquinolin-8-YL)OXY)-5-(4-Methyl-7H-Pyrrolo[2,3-D]Pyrimidin-7-YL)Cyclopentane-1,2-DIOL Mono-Hydrochloride HIRAKIS, SOPHIA P 1623 Non-Final OA Jan 10, 2023
18004109 Preparation Of A Pyrimidinyl-3,8-Diazabicyclo[3.2.1]Octanylmethanone Derivative And Salt Thereof MOORE, SUSANNA 1624 Non-Final OA Jan 03, 2023
18146014 COMBINATION OF AN ANTI-PD-L1 ANTIBODY AND A DNA-PK INHIBITOR FOR THE TREATMENT OF CANCER JOHANSEN, PETER N. 1644 Final Rejection Dec 23, 2022
17924975 METHODS, THERAPIES AND USES FOR TREATING CANCER DENT, ALANA HARRIS 1643 Final Rejection Nov 11, 2022
17997312 MODIFIED NUCLEIC ACIDS ENCODING ASPARTOACYLASE (ASPA) AND VECTOR FOR GENE THERAPY ALLEN, SARAH ELIZABETH 1637 Non-Final OA Oct 27, 2022
17997091 PYRROLO[2,3-D]PYRIMIDINE DERIVATIVES WILLIS, DOUGLAS M 1624 Non-Final OA Oct 25, 2022
18045967 RNA MOLECULES CHEN, STACY BROWN 1672 Non-Final OA Oct 12, 2022
17837891 COMPOSITIONS AND METHODS FOR TREATMENT OF ABNORMAL CELL GROWTH PEEBLES, KATHERINE 1617 Non-Final OA Jun 10, 2022
17733566 IMMUNOGENIC COMPOSITION AGAINST INFLUENZA LI, BAO Q 1671 Final Rejection Apr 29, 2022
17607341 REAL-TIME TRACKING AND MANAGEMENT OF STANDARD WORKFLOWS KONERU, SUJAY 3624 Final Rejection Oct 28, 2021
17431462 Methods for purifying bacterial polysaccharides CREWS, JARET JAMES 1691 Non-Final OA Aug 17, 2021
17312185 Immunogenic Multiple Hetero-Antigen Polysaccharide-Protein Conjugates and uses thereof FOLEY, SHANON A 1671 Non-Final OA Jun 09, 2021
17283801 Dosage Regimen for TFPI Antagonists ALSOMAIRY, SARAH ABDOALATIF 1646 Final Rejection Apr 08, 2021
17125555 STREPTOCOCCUS PNEUMONIAE CAPSULAR POLYSACCHARIDES AND CONJUGATES THEREOF LYONS, MARY M 1645 Final Rejection Dec 17, 2020
16978354 ANTI-PD-1 ANTIBODY COMPOSITIONS ALSOMAIRY, SARAH ABDOALATIF 1646 Final Rejection Sep 04, 2020
15761777 Method Of Preparing A Therapeutic Protein Formulation And Antibody Formulation Produced By Such A Method KIM, YUNSOO 1641 Final Rejection Mar 20, 2018

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