Prosecution Insights
Last updated: August 18, 2026

Regeneron Pharmaceuticals Inc.

130 pending office actions • 53 art units • 111 examiners • 1 of 130 (1%) have an AI response strategy ready • 164 patents granted in the last 365 days

Portfolio Summary

130
Total Pending OAs
81
Non-Final OAs
43
Final Rejections
6
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 42 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

21
Overdue
2
Due this week
9
Due this month
6
Due in next 60 days
4
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. 42 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (21)Due ≤ 7 days (2)Due ≤ 30 days (9)Due ≤ 60 days (6)Due later (4)

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.

47
Hard (36%)
54
Medium (42%)
26
Easy (20%)
3
Unknown (2%)

Rejection Statute Mix

BucketCases
§101 + other11 (8%)
§103 only34 (26%)
§102 only2 (2%)
§112 only17 (13%)
Double-patenting only9 (7%)
Double-patenting + other18 (14%)
Multi-statute (no §101)36 (28%)
No statute on record3 (2%)

Industry Mix

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

105
Life Sciences
81% of docket
1
Information Tech
1% of docket
1
Communications
1% of docket
1
Semiconductors
1% of docket
12
Mechanical / Eng
9% of docket
10
Business / Other
8% 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.

1,300 h
Manual time on pending OAs
260 h
Time saved (low, 20%)
455 h
Time saved (mid, 35%)
11.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KIM, YUNSOO 3 65.8% +34.8%
WILSON, MICHAEL C 3 41.4% +17.5%
XU, XIAOYUN 3 59.9% +31.9%
LI, RUIXIANG 2 59.4% +19.1%
THOMPSON, CURTIS A 2 61.9% +50.1%
FRITCHMAN, REBECCA M 2 45.7% +35.8%
MEYERING, SHABANA SHABBEER 2 69.7% +41.8%
ALLEN, MARIANNE P 2 60.2% +18.2%
MERTZ, PREMA MARIA 2 71.6% +35.6%
ARON, KIMBERLY A 2 54.7% +34.9%

Hard Cases (47)

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
19187394 SYSTEMS AND METHODS FOR A REGULATORY-COMPLIANT AUTOMATED ASSAY THOMPSON, CURTIS A 46d overdue
18237210 SITE-SPECIFIC QUANTITATION OF DRUG CONJUGATIONS PUTTLITZ, KARL J 46d overdue
17948496 METHODS FOR CHARACTERIZING HOST-CELL PROTEINS BERKELEY, EMILY R 32d overdue
18349012 METHODS FOR TREATING EOSINOPHILIC ESOPHAGITIS BY ADMINISTERING AN IL-4R ANTAGONIST HECK, BRYAN WILLIAM 28d overdue
18336148 SYSTEMS AND METHODS FOR DRUG DELIVERY TO OCULAR TISSUE MEDWAY, SCOTT J 25d overdue
17854589 Treatment of Hypertension With Solute Carrier Family 9 Isoform A3 Regulatory Factor 2 (SLC9A3R2) Inhibitors VYAS, KEYUR ANILKUMAR 19d overdue
18164171 MEDICAL DEVICE PACKAGING AND RELATED METHODS REYNOLDS, STEVEN ALAN 5d overdue
17954999 ASSAYS TO QUANTITATE DRUG AND TARGET CONCENTRATIONS EVANS, CHRISTOPHER RYAN 4d overdue

Interview Candidates (23)

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
17676338 NON-HUMAN ANIMALS HAVING AN IMMUNOGLOBULIN HEAVY CHAIN VARIABLE REGION THAT INCLUDES AN ENGINEERED DIVERSITY CLUSTER AND USES THEREOF WILSON, MICHAEL C 100d overdue
19187394 SYSTEMS AND METHODS FOR A REGULATORY-COMPLIANT AUTOMATED ASSAY THOMPSON, CURTIS A 46d overdue
17684674 SYSTEMS AND METHODS FOR QUANTIFYING AND MODIFYING PROTEIN VISCOSITY XU, XIAOYUN 31d overdue
19248893 METHODS OF REDUCING PARTICLE FORMATION AND COMPOSITIONS FORMED THEREBY KIM, YUNSOO 8d
18182323 ANTI-GLP1R ANTIBODY-TETHERED DRUG CONJUGATES COMPRISING GLP1 PEPTIDOMIMETICS AND USES THEREOF ALLEN, MARIANNE P 27d
19333264 Stabilized Formulations Containing Anti-Interleukin-4 Receptor (IL-4R) Antibodies LI, RUIXIANG 43d
17870368 NATIVE MICROFLUIDIC CE-MS ANALYSIS OF ANTIBODY CHARGE HETEROGENEITY XU, XIAOYUN 55d
18129923 G PROTEIN-COUPLED RECEPTOR 75 (GPR75) IRNA COMPOSITIONS AND METHODS OF USE THEREOF MEYERING, SHABANA SHABBEER 62d

Top Art Units

Art UnitApps
1643 7
1641 6
1677 5
1674 5
1642 5
3783 5
1634 5
1638 4
1647 4
1633 4

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19345987 COMPETITIVE LIGAND BINDING ASSAYS TRAN, CHAU NGUYEN BICH 1677 §103DP Final Rejection Pending Sep 30, 2025
19333264 Stabilized Formulations Containing Anti-Interleukin-4 Receptor (IL-4R) Antibodies LI, RUIXIANG 1674 §103 Non-Final OA 43d Pending Sep 18, 2025
19248893 METHODS OF REDUCING PARTICLE FORMATION AND COMPOSITIONS FORMED THEREBY KIM, YUNSOO 1641 §112Other Non-Final OA 8d Pending Jun 25, 2025
19217541 PROCESS FOR REDUCING SUBVISIBLE PARTICLES IN A PHARMACEUTICAL FORMULATION KIM, YUNSOO 1641 §102DP Non-Final OA Pending May 23, 2025
19187394 SYSTEMS AND METHODS FOR A REGULATORY-COMPLIANT AUTOMATED ASSAY THOMPSON, CURTIS A 1798 §101§103 Final Rejection 46d overdue Pending Apr 23, 2025
19187429 SYSTEMS AND METHODS FOR A REGULATORY-COMPLIANT AUTOMATED ASSAY THOMPSON, CURTIS A 1798 §103 Final Rejection Pending Apr 23, 2025
19091049 SYSTEMS AND METHODS FOR IDENTIFYING EVENTS IN SUPPLY CHAIN PROCESSES ANDERSON, FOLASHADE 3623 §101§102§103 Non-Final OA Pending Mar 26, 2025
18945863 SYSTEMS AND METHODS FOR PRODUCING SMALL-SCALE MIXERS FOR DRUG MANUFACTURING PATEL, VISHAL I 1746 §103 Non-Final OA Pending Nov 13, 2024
18802201 NON-HUMAN ANIMALS HAVING A HUMANIZED LYMPHOCYTE-ACTIVATION GENE 3 WRIGHT, ERIC BRANDON §112 Non-Final OA Pending Aug 13, 2024
18798198 Treatment Of Hyperglycemia With Solute Carrier Family 39 Member 5 (SLC39A5) Inhibitors KONOPKA, CATHERINE ANNE 1635 DP Non-Final OA Pending Aug 08, 2024
18766891 HUMANIZED T CELL CO-RECEPTOR MICE WEHBE, ANNE MARIE SABRINA §102§103§112DP Non-Final OA Pending Jul 09, 2024
18763490 METHODS AND COMPOSITIONS FOR MODIFYING A TARGETED LOCUS DACE DENITO, ALEXANDRA GERALDINE 1636 §103 Non-Final OA Pending Jul 03, 2024
18673492 SYSTEMS AND METHODS FOR FAILURE MODE DETECTION IN PROCESS CHROMATOGRAPHY HUANG, RYAN 1777 §103§112DP Non-Final OA Pending May 24, 2024
18674399 METHODS OF INCREASING STRENGTH AND FUNCTIONALITY WITH GDF8 INHIBITORS HOWARD, ZACHARY C 1674 §112Other Non-Final OA Pending May 24, 2024
18669172 Anti-CTLA-4 Antibodies and Uses Thereof ROONEY, NORA MAUREEN §112DP Non-Final OA Pending May 20, 2024
18666742 AUTO-INJECTOR AND RELATED METHODS OF USE EGLOFF, PETER RICHARD §102§103 Non-Final OA Pending May 16, 2024
18659538 SYSTEMS AND METHODS FOR REDUCING SAMPLE SIZES ERICKSON, BENNETT S 3683 §101§103 Non-Final OA Pending May 09, 2024
18606302 Proteomic Risk Score For Osteoarthritis (OA) FRITCHMAN, REBECCA M §101§103§112 Non-Final OA Pending Mar 15, 2024
18603862 SYSTEMS AND METHODS FOR IDENTIFYING EVENTS IN SUPPLY CHAIN PROCESSES GARCIA-GUERRA, DARLENE 3625 §101§103 Non-Final OA Pending Mar 13, 2024
18582159 Treatment Of Obesity In Subjects Having Variant Nucleic Acid Molecules Encoding Calcitonin Receptor (CALCR) KAPUSHOC, STEPHEN THOMAS 1683 DP Non-Final OA Pending Feb 20, 2024
18436306 MODULATORS OF HSD17B13 AND METHODS OF USE THEREOF GONZALEZ, LUISALBERTO 1624 §112 Non-Final OA Pending Feb 08, 2024
18432780 Stabilized Formulations Containing Anti-Interleukin-4 Receptor (IL-4R) Antibodies LI, RUIXIANG §112Other Non-Final OA Pending Feb 05, 2024
18421326 Treatment Of Stroke With 1,4-Alpha-Glucan-Branching Enzyme (GBE1) Inhibitors MEYERING, SHABANA SHABBEER §102§103§112 Non-Final OA Pending Jan 24, 2024
18420090 SYSTEMS AND METHODS FOR MOBILE AND STATIC BIOMETRIC MOVEMENT TRACKING DING, XIAOMAO 2676 §103 Final Rejection 1d overdue Pending Jan 23, 2024
18580810 IL12 RECEPTOR AGONISTS AND METHODS OF USE THEREOF ALLEN, MARIANNE P §112 Non-Final OA Pending Jan 19, 2024
18413096 RODENTS HAVING A HUMANIZED TMPRSS GENE VIVLEMORE, TRACY ANN 1638 §112DP Non-Final OA Pending Jan 16, 2024
18572930 ANTI-EGFRvIII ANTIBODY DRUG CONJUGATES AND USES THEREOF HADDAD, MAHER M §102§103§112DP Non-Final OA Pending Dec 21, 2023
18528268 METHODS TO CHARACTERIZING A FRAGMENT CRYSTALLIZABLE DOMAIN OF A BISPECIFIC ANTIBODY RAMADAN, OMAR 1678 §102§103§112 Non-Final OA Pending Dec 04, 2023
18510900 Treatment Of Inflammation With Glucocorticoids And Angiopoietin-Like 7 (ANGPTL7) Inhibitors HUDSON, AMY ROSE 1636 DP Non-Final OA Pending Nov 16, 2023
18509030 COMPOSITIONS AND METHODS FOR FIBROBLAST GROWTH FACTOR RECEPTOR 3-MEDIATED DELIVERY TO ASTROCYTES HUYNH, PHUONG N 1641 §112DP Non-Final OA Pending Nov 14, 2023
18559009 Chimeric Antigen Receptors with MAGE-A4 Specificity and Uses Thereof LANDSMAN, ROBERT S 1647 §112DP Non-Final OA Pending Nov 03, 2023
18495182 METHODS FOR TREATING OR PREVENTING ASTHMA BY ADMINISTERING AN IL-4R ANTAGONIST MERTZ, PREMA MARIA 1674 DP Final Rejection Pending Oct 26, 2023
18488316 HSD17B13 VARIANTS AND USES THEREOF ZAHORIK, AMANDA MARY 1636 §112 Non-Final OA Pending Oct 17, 2023
18484777 METHODS AND COMPOSITIONS FOR THE TARGETED MODIFICATION OF A GENOME ARON, KIMBERLY A 1633 DP Non-Final OA Pending Oct 11, 2023
18374492 MASS SPECTROMETRY-BASED STRATEGY FOR DETERMINING PRODUCT-RELATED VARIANTS OF A BIOLOGIC BUNKER, AMY M 1684 §102§112DP Non-Final OA Pending Sep 28, 2023
18367444 AN AQUEOUS PHARMACEUTICAL FORMULATION INCLUDING A VEGF RECEPTOR FUSION PROTEIN LOCKARD, JON MCCLELLAND 1647 §112 Non-Final OA Pending Sep 12, 2023
18462320 METHOD OF TREATING AN ALLERGY WITH ALLERGEN-SPECIFIC MONOCLONAL ANTIBODIES TAYLOR, LIA ELAN 1641 §103Other Non-Final OA 8d Pending Sep 06, 2023
18237210 SITE-SPECIFIC QUANTITATION OF DRUG CONJUGATIONS PUTTLITZ, KARL J 1646 §103§112 Final Rejection 46d overdue Pending Aug 23, 2023
18547150 METHOD FOR DIAGNOSING AND TREATING PARTIAL LIPODYSTROPHY TOTH, KAREN E 3791 §101§102§103§112 Non-Final OA 83d Pending Aug 18, 2023
18264799 METHODS OF TREATING CANCER BY ADMINISTERING A NEOADJUVANT PD-1 INHIBITOR SULLIVAN, DENNIS JOHN 1642 §103§112DP Non-Final OA Pending Aug 09, 2023
18229117 Methods of Treating Metastatic Castration-Resistant Prostate Cancer with Bispecific Anti-PSMA x Anti-CD28 Antibodies in Combination with Anti-PD-1 Antibodies JOHANSEN, PETER N. 1645 §102§103DP Non-Final OA Pending Aug 01, 2023
18355108 Macrophage Stimulating 1 Receptor (MST1R) Variants And Uses Thereof SCHWECHTER, BRANDON ROSS 1674 §102§112 Non-Final OA 34d Pending Jul 19, 2023
18221934 ISOELECTRIC FOCUSING-BASED ENRICHMENT OF CHARGE VARIANT SPECIES FRITCHMAN, REBECCA M 1758 §103 Non-Final OA Pending Jul 14, 2023
18349012 METHODS FOR TREATING EOSINOPHILIC ESOPHAGITIS BY ADMINISTERING AN IL-4R ANTAGONIST HECK, BRYAN WILLIAM 1643 §102§103Other Non-Final OA 28d overdue Pending Jul 07, 2023
18345975 BOTULINUM NEUROTOXIN-SPECIFIC CAPTURE AGENTS, COMPOSITIONS, AND METHODS OF USING AND MAKING LIEB, JEANETTE M 1654 Other Final Rejection 3d overdue Pending Jun 30, 2023
18344494 AUTO-INJECTOR AND RELATED METHODS OF USE STIGELL, THEODORE J 3783 §102 Non-Final OA Pending Jun 29, 2023
18336644 FAST PROTEIN SEQUENCING CHEU, CHANGHWA J 1678 Other Non-Final OA 28d Pending Jun 16, 2023
18336148 SYSTEMS AND METHODS FOR DRUG DELIVERY TO OCULAR TISSUE MEDWAY, SCOTT J 3783 §102§103 Final Rejection 25d overdue Pending Jun 16, 2023
18328327 INTERLEUKIN-2 PROPROTEINS AND USES THEREOF MERTZ, PREMA MARIA 1674 §112 Non-Final OA Pending Jun 02, 2023
18324380 INTERLEUKIN-2 PROPROTEINS AND USES THEREOF DONOGHUE, BRITTNEY ERIN 1675 §103 Non-Final OA Pending May 26, 2023
18202176 ANTI-MET ANTIBODIES, BISPECIFIC ANTIGEN BINDING MOLECULES THAT BIND MET, AND METHODS OF USE THEREOF CANELLA, KAREN A §102§103DP Non-Final OA Pending May 25, 2023
18317241 ANTI-LAG3 ANTIBODIES AND USES THEREOF OUSPENSKI, ILIA I 1644 DP Final Rejection 52d overdue Pending May 15, 2023
18313745 METHODS AND SYSTEMS FOR CHROMATOGRAPHY DATA ANALYSIS TCHATCHOUANG, CARL F.R. 2858 DP Non-Final OA Pending May 08, 2023
18142196 Anti-Interleukin-4 Receptor (IL-4R) Antibody Formulations HAMA, JOANNE 1647 §103Other Non-Final OA 8d overdue Pending May 02, 2023
18303229 Rare Variants In Hematopoietic Stem Cells (HSC) And Hematopoietic Progenitor Cells (HPC) Associated With Somatic Alterations Of The Blood SWITZER, JULIET CAROLINE 1682 §112 Non-Final OA Pending Apr 19, 2023
18129923 G PROTEIN-COUPLED RECEPTOR 75 (GPR75) IRNA COMPOSITIONS AND METHODS OF USE THEREOF MEYERING, SHABANA SHABBEER 1635 §102§103 Non-Final OA 62d Pending Apr 03, 2023
18247226 COMBINATION OF ANTIBODIES FOR TREATING CANCER WITH REDUCED CYTOKINE RELEASE SYNDROME STONEBRAKER, ALYSSA RAE 1642 DP Final Rejection Pending Mar 29, 2023
18187564 PRECISION DOSE DELIVERY DEVICE PLUNGER ROD INSERTION GAUGE AND METHODS THEREFOR NGUYEN, ANDREW H 3741 §103§112 Final Rejection 2d overdue Pending Mar 21, 2023
18185624 METHODS AND SYSTEMS FOR ANALYZING POLYPEPTIDE VARIANTS NGUYEN, BAO THUY L 1677 §102§103§112DP Final Rejection 49d overdue Pending Mar 17, 2023
18182323 ANTI-GLP1R ANTIBODY-TETHERED DRUG CONJUGATES COMPRISING GLP1 PEPTIDOMIMETICS AND USES THEREOF ALLEN, MARIANNE P 1647 §112 Final Rejection 27d Pending Mar 11, 2023
18179110 COMPOSITIONS AND METHODS COMPRISING ENGINEERED SHORT NUCLEAR RNA (SNRNA) ABBOTT, KODYE LEE 1634 §103§112 Non-Final OA Pending Mar 06, 2023
17969033 METHODS FOR TREATING PRURIGO NODULARIS BY ADMINISTERING AN IL-4R ANTAGONIST NATARAJAN, MEERA 1643 §103 Non-Final OA 4d overdue Pending Mar 02, 2023
18175809 MANUFACTURING PROCESS FOR HIGH TITER ANTIBODY MCKNIGHT, CIARA A 1656 §103§112DP Non-Final OA Pending Feb 28, 2023
18175852 MANUFACTURING PROCESS FOR HIGH TITER ANTIBODY GRIZER, CASSANDRA SENN 1672 §103§112DP Non-Final OA Pending Feb 28, 2023
18115321 CELL CULTURE METHODS FOR ANTIBODY PRODUCTION ARON, KIMBERLY A 1633 §102§103§112 Non-Final OA Pending Feb 28, 2023
18115285 BIOREACTOR FOR ANTIBODY PRODUCTION CANDELARIA, JULIANA IRENE 1634 §103 Final Rejection 21d Pending Feb 28, 2023
18175914 MANUFACTURING PROCESS FOR HIGH TITER ANTIBODY MCKNIGHT, CIARA A 1656 §103§112 Non-Final OA 83d Pending Feb 28, 2023
18114057 Dosing Regimens for Mitigation of Cytokine Release Syndrome SHUPE, ELIZABETH A 1643 §103§112DP Non-Final OA Pending Feb 24, 2023
18108417 Production of High Titer Recombinant Vesicular Stomatitis Virus in Suspension Cell Culture WANG, RUIXUE 1672 §103§112 Final Rejection Pending Feb 10, 2023
18105772 Stabilized Formulations Containing Anti-IL-33 Antibodies KIM, YUNSOO 1641 §103 Non-Final OA Pending Feb 03, 2023
18164171 MEDICAL DEVICE PACKAGING AND RELATED METHODS REYNOLDS, STEVEN ALAN 3735 §102§112 Final Rejection 5d overdue Pending Feb 03, 2023
18163698 ANTI-TFR:GAA AND ANTI-CD63:GAA INSERTION FOR TREATMENT OF POMPE DISEASE JOHNSON, TIRONE DEREK 1675 §103§112 Non-Final OA Pending Feb 02, 2023
18157587 Methods Of Improving Health With Apolipoprotein E (APOE) Inhibitors CASH, KAILEY ELIZABETH 1683 §102§103DP Final Rejection 32d overdue Pending Jan 20, 2023
18154262 VERRUCARIN A DERIVATIVES AND ANTIBODY DRUG CONJUGATES THEREOF SKOKO III, JOHN JOSEPH 1643 §103 Non-Final OA Pending Jan 13, 2023
18095839 Methods for Improving Resolution of Heterodimeric Proteins from Impurities Using Affinity Chromatography IANNUZO, NATALIE NMN 1653 §103 Final Rejection Pending Jan 11, 2023
18152346 Triggering Receptor Expressed On Myeloid Cells 2 (TREM2) Variants And Uses Thereof SALMON, KATHERINE D 1682 §102§103§112 Final Rejection Pending Jan 10, 2023
18089267 HUMANIZED RODENTS FOR TESTING THERAPEUTIC AGENTS WILSON, MICHAEL C 1638 §103§112 Final Rejection Pending Dec 27, 2022
18069110 OFF-TARGET PREDICTION METHOD FOR ANTIGEN-RECOGNITION MOLECULES BINDING TO MHC-PEPTIDE TARGETS LEVERETT, MARY CHANG 1687 §103 Non-Final OA Pending Dec 20, 2022
18055895 AUTO-INJECTOR AND RELATED METHODS OF USE GONZALEZ, LEI NMN 3783 §103 Non-Final OA 39d Pending Nov 16, 2022
18049834 OVEREXPRESSION OF LEMD2, LEMD3, OR CHMP7 AS A THERAPEUTIC MODALITY FOR TAUOPATHY NICOL, ALEXANDER W 1634 §103 Final Rejection Pending Oct 26, 2022
17973638 SYSTEMS AND METHODS FOR GENERATING LABORATORY WATER AND DISTRIBUTING LABORATORY WATER AT DIFFERENT TEMPERATURES GURTOWSKI, RICHARD C 1773 §103 Non-Final OA 6d Pending Oct 26, 2022
17920069 NON-HUMAN ANIMALS HAVING A HUMANIZED CXCL13 GENE DHAR, MATASHA 1632 §103 Non-Final OA 46d overdue Pending Oct 20, 2022
18045603 MUSCLE BLOCKS AND INJECTION TRAINERS INCLUDING A MUSCLE BLOCK ANTOINE, LISA HOPE 3715 §103 Non-Final OA Pending Oct 11, 2022
17954999 ASSAYS TO QUANTITATE DRUG AND TARGET CONCENTRATIONS EVANS, CHRISTOPHER RYAN 1677 §102§103§112 Final Rejection 4d overdue Pending Sep 28, 2022
17934277 Methods Of Treating Chronic Kidney Disease (CKD) With Inhibitors Of Protective Loss-Of-Function Genes KENYON, JOHN S 1625 §112 Non-Final OA 49d overdue Pending Sep 22, 2022
17948496 METHODS FOR CHARACTERIZING HOST-CELL PROTEINS BERKELEY, EMILY R 1796 §102§103§112 Non-Final OA 32d overdue Pending Sep 20, 2022
17948382 METHODS OF CONTROLLING ANTIBODY HETEROGENEITY O'NEILL, MARISOL ANN 1633 §103 Non-Final OA Pending Sep 20, 2022
17933148 ANTI-C5 ANTIBODIES AND USES THEREOF ALAWADI, SARAH 1619 §112 Non-Final OA Pending Sep 19, 2022
17943776 NMASS SPECTROMETRY-BASED STRATEGY FOR CHARACTERIZING HIGH MOLECULAR WEIGHT SPECIES OF A BIOLOGIC VOLKOV, ALEXANDER ALEXANDROVIC 1677 §103 Non-Final OA Pending Sep 13, 2022
17931396 Methods Of Treating Clonal Hematopoiesis Of Indeterminate Potential (CHIP) With Lymphocyte Antigen 75 (LY75), Cluster Of Differentiation 164 (CD164), Or Poly(ADP-Ribose) Polymerase 1 (PARP1) Inhibitors DARPOLOR, JOSEPHINE KEBBEH 1642 §103§112 Non-Final OA Pending Sep 12, 2022
17930471 HIGH-THROUGHPUT AND MASS-SPECTROMETRY-BASED METHOD FOR QUANTITATING ANTIBODIES AND OTHER Fc-CONTAINING PROTEINS XU, XIAOYUN 1797 §103 Non-Final OA Pending Sep 08, 2022
17759539 NON-HUMAN ANIMALS COMPRISING A HUMANIZED TTR LOCUS COMPRISING A V30M MUTATION AND METHODS OF USE PENNINGTON, KATIE LEIGH 1634 §103§112 Final Rejection Pending Jul 27, 2022
17870368 NATIVE MICROFLUIDIC CE-MS ANALYSIS OF ANTIBODY CHARGE HETEROGENEITY XU, XIAOYUN 1797 §103Other Final Rejection 55d Pending Jul 21, 2022
17868305 Readily Isolated Bispecific Antibodies with Native Immunoglobulin Format NATARAJAN, MEERA 1643 §103§112 Non-Final OA Pending Jul 19, 2022
17813100 COMBINATION OF CHECKPOINT INHIBITORS AND AN ONCOLYTIC VIRUS FOR TREATING CANCER MOSELEY II, NELSON B 1642 §103 Final Rejection Pending Jul 18, 2022
17862240 Methods for Viral Particle Characterization Using Two-Dimensional Liquid Chromatography-Mass Spectrometry ZOU, NIANXIANG 1671 §103§112 Final Rejection 20d Pending Jul 11, 2022
17854589 Treatment of Hypertension With Solute Carrier Family 9 Isoform A3 Regulatory Factor 2 (SLC9A3R2) Inhibitors VYAS, KEYUR ANILKUMAR 1637 §101§112 Non-Final OA 19d overdue Pending Jun 30, 2022
17853807 COUPLING ISOELECTRIC FOCUSING-BASED FRACTIONATION WITH MASS SPECTROMETRY ANALYSIS SIMMONS, VALERIE MICHELLE 1758 §103 Non-Final OA Pending Jun 29, 2022
17851845 NMR METHODS FOR ANTIBODY HIGHER ORDER STRUCTURE COMPARABILITY BERKELEY, EMILY R 1796 §101§102§103 Non-Final OA Pending Jun 28, 2022
17719791 TREATMENT OF X-LINKED JUVENILE RETINOSCHISIS LEVIN, JOEL D 1633 §102§103 Non-Final OA Pending Apr 13, 2022
17716154 MEASUREMENT OF THERAPEUTIC PROTEINS CO-ADMINISTERED TO A SUBJECT BY LC-MRM-MS ASSAY CONSTANTINE, CHARLES Z 1657 §103§112 Final Rejection Pending Apr 08, 2022
17656617 METHODS AND SYSTEMS FOR DEVELOPING MIXING PROTOCOLS DEBNATH, NUPUR 2186 §103§112 Final Rejection Pending Mar 25, 2022
17684674 SYSTEMS AND METHODS FOR QUANTIFYING AND MODIFYING PROTEIN VISCOSITY XU, XIAOYUN 1797 §103 Non-Final OA 31d overdue Pending Mar 02, 2022
17676338 NON-HUMAN ANIMALS HAVING AN IMMUNOGLOBULIN HEAVY CHAIN VARIABLE REGION THAT INCLUDES AN ENGINEERED DIVERSITY CLUSTER AND USES THEREOF WILSON, MICHAEL C 1638 §112 Final Rejection 100d overdue Pending Feb 21, 2022
17591355 Systems and Methods for Sequencing T Cell Receptors and Uses Thereof ZEMAN, MARY K 1686 DP Non-Final OA Pending Feb 02, 2022
17575450 HUMANIZED T CELL MEDIATED IMMUNE RESPONSES IN NON-HUMAN ANIMALS MOLOYE, TITILAYO 1632 Other Final Rejection Pending Jan 13, 2022
17565104 AUTO-INJECTOR AND RELATED METHODS OF USE ZAMORY, JUSTIN L 3783 §102§103 Non-Final OA 22d Pending Dec 29, 2021
17612669 MODIFIED VIRAL PARTICLES AND USES THEREOF RIGA, MICHAEL ANGELO 1634 §102 Non-Final OA Pending Nov 19, 2021
17612204 TRACELESS LINKERS AND PROTEIN-CONJUGATES THEREOF STONEBRAKER, ALYSSA RAE 1642 §103§112 Final Rejection Pending Nov 17, 2021
17525336 Synaptojanin 2 (SYNJ2) Variants And Uses Thereof POHNERT, STEVEN C 1683 §103§112 Non-Final OA Pending Nov 12, 2021
17517294 METHODS AND SYSTEMS FOR BIOTHERAPEUTIC DEVELOPMENT SANFORD, DIANA PATRICIA 1687 §101§103 Non-Final OA Pending Nov 02, 2021
17492490 CONTINUOUS VIRUS RETENTIVE FILTRATION PEO, KARA M 1777 §103§112 Final Rejection Pending Oct 01, 2021
17476078 Use of LEPR Agonists for Pain CHERNYSHEV, OLGA N 1675 §112 Final Rejection Pending Sep 15, 2021
17433887 ADENO-ASSOCIATED VIRUS VECTORS FOR THE DELIVERY OF THERAPEUTICS LEONARD, ARTHUR S 1631 §103§112 Final Rejection 6d Pending Aug 25, 2021
17444897 SYSTEMS AND METHODS FOR DRUG DELIVERY TO OCULAR TISSUE PAZ ESTEVEZ, GUILLERMO G 3783 §103 Final Rejection Pending Aug 11, 2021
17356497 TUBULYSINS AND PROTEIN-TUBULYSIN CONJUGATES CANELLA, KAREN A 1643 §102§112 Final Rejection 8d Pending Jun 23, 2021
17244864 METHODS FOR ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION HOPKINS, SAMANTHA LAKE 1641 §103§112Other Final Rejection Pending Apr 29, 2021
17203566 TARGET INTERFERENCE MITIGATION IN ANTI-DRUG ANTIBODY ASSAY HAQ, SHAFIQUL 1678 §112 Non-Final OA Pending Mar 16, 2021
17183904 COMPOSITIONS COMPRISING IL6R ANTIBODIES FOR THE TREATMENT OF UVEITIS AND MACULAR EDEMA AND METHODS OF USING SAME FAUST, AMBER KATHLEEN 1643 §103 Non-Final OA 33d Pending Feb 24, 2021
17268719 METHOD AND CHROMATOGRAPHY SYSTEM FOR DETERMINING AMOUNT AND PURITY OF A MULTIMERIC PROTEIN GERMAIN, ADAM ADRIEN 1777 §103 Final Rejection Pending Feb 16, 2021
17113485 GENETICALLY MODIFIED MICE THAT EXPRESS HUMANIZED IgG1 LACKING A CH1 DOMAIN AND HUMANIZED UNIVERSAL LIGHT CHAIN WILSON, MICHAEL C 1638 §112 Final Rejection Pending Dec 07, 2020
17091484 Accurate And Robust Information-Deconvolution From Bulk Tissue Transcriptomes STRIEGEL, THEODORE CHARLES 1685 §103 Final Rejection 3d overdue Pending Nov 06, 2020
17062375 High-throughput method to screen cognate T cell and epitope reactivities in primary human cells YOUNG, BRIAN ELLIS 1684 §103 Final Rejection 30d Pending Oct 02, 2020
16993434 HIGH CONCENTRATION ANTI-C5 FORMULATIONS ESSEX, LAURA ANN 1675 §103§112 Non-Final OA 53d Pending Aug 14, 2020
16882453 CHARACTERIZATION OF DOMAIN-SPECIFIC CHARGE VARIANTS OF ANTIBODIES NGUYEN, HENRY H 1758 §101§103§112 Non-Final OA Pending May 23, 2020
16880736 METHODS FOR IDENTIFYING AND QUANTITATING HOST CELL PROTEIN MARCSISIN, ELLEN JEAN 1677 §103 Non-Final OA AI Ready May 21, 2020
16863800 METHODS FOR TREATING OR PREVENTING ASTHMA BY ADMINISTERING AN IL-33 ANTAGONIST JOHANSEN, PETER N. 1644 §103Other Final Rejection Pending Apr 30, 2020
16625207 Tropism-Modified Recombinant Viral Particles and Uses Thereof for the Targeted Introduction of Genetic Material into Human Cells GROOMS, TIFFANY NICOLE 1637 §103§112 Non-Final OA Pending Dec 20, 2019
16278611 GAN-CNN FOR MHC PEPTIDE BINDING PREDICTION BICKHAM, DAWN MARIE 1685 §101§103§112 Final Rejection Pending Feb 18, 2019
15766586 STABLE PROTEIN COMPOSITIONS SAEED, ALI S 1616 §103§112 Non-Final OA 83d Pending Apr 06, 2018

Managing Regeneron Pharmaceuticals Inc.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month