Prosecution Insights
Last updated: October 01, 2026

The Regents of the University of Colorado

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials • Medical Devices & Mechanical Engineering

73 pending office actions • 43 art units • 69 examiners • 0 of 73 (0%) have an AI response strategy ready • 63 patents granted in the last 365 days

Analysis

The Regents of the University of Colorado manage a portfolio of 72 pending office actions in the Biotechnology & Pharmaceuticals technology area. These matters are distributed across 68 distinct examiners and 43 distinct art units. The involvement of 43 distinct art units highlights the significant technical diversity of the university's research and patent filings.

PAZ ESTEVEZ, GUILLERMO G is the busiest examiner for this system, currently overseeing 3 pending office actions. This is a very low concentration given the total of 72 pending office actions. With 68 distinct examiners, the university must manage a vast array of individual examiner styles and requirements across its biotechnology and pharmaceutical applications.

The volume of 72 pending office actions combined with 68 distinct examiners suggests that almost every examiner is only handling a single case for the university. This decentralized environment across 43 distinct art units necessitates a highly organized approach to prosecution to ensure that legal arguments remain consistent across the entire portfolio. Practitioners should prepare for interactions with many different specialized divisions within the USPTO.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

73
Total Pending OAs
52
Non-Final OAs
15
Final Rejections
6
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 20 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

11
Overdue
0
Due this week
5
Due this month
3
Due in next 60 days
1
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. 20 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (11)Due ≤ 30 days (5)Due ≤ 60 days (3)Due later (1)

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.

42
Hard (58%)
26
Medium (36%)
5
Easy (7%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other5 (7%)
§103 only23 (32%)
§102 only3 (4%)
§112 only5 (7%)
Multi-statute (no §101)37 (51%)

Industry Mix

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

38
Life Sciences
52% of docket
0
Information Tech
0% of docket
1
Communications
1% of docket
2
Semiconductors
3% of docket
15
Mechanical / Eng
21% of docket
17
Business / Other
23% 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.

730 h
Manual time on pending OAs
146 h
Time saved (low, 20%)
255 h
Time saved (mid, 35%)
6.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PAZ ESTEVEZ, GUILLERMO G 3 21.4% +5.0%
SEAMAN, D MARGARET M 2 76.5% +8.0%
CHAU, LISA N 2 25.2% +17.5%
SHIRSAT, MARCELA 1 73.6% +19.0%
KIM, KIHO 1 85.4% +4.5%
HUANG, DAVID Z 1 80.3% +13.3%
OGUNBIYI, OLUWATOSIN A 1 63.7% +41.4%
SHEN, YANXIN NMN 1 90.0% +22.5%
YEN, SYLING 1 75.0% +27.8%
GREGORY, BERNARR E 1 90.5% +6.7%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18972502 FLOATING PLATFORM SYSTEM FOR MECHANICAL TESTING OF GELS AND TISSUES HUANG, DAVID Z —

Hard Cases (46)

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
18042509 ULTRAVIOLET-ABSORPTIVE NANOPARTICLES AND MICROPARTICLES FOR INTRADERMAL USE JANOSKO, CHASITY PAIGE 271d overdue
18127284 COMPOSITIONS AND METHODS FOR PRODUCING AND USING ILCS TO TREAT HEALTH CONDITIONS HAMA, JOANNE 131d overdue
17317717 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION PAZ ESTEVEZ, GUILLERMO G 128d overdue
17501148 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION PAZ ESTEVEZ, GUILLERMO G 114d overdue
17962656 Toll-Like Receptor 8 (TLR8)-Specific Antagonists and Methods of Making and Uses Thereof SEAMAN, D MARGARET M 60d overdue
18132164 COMPOSITIONS, METHODS AND USES FOR IN VITRO AND IN VIVO GENERATION OF FUNCTIONAL THYMIC TISSUE WILSON, MICHAEL C 45d overdue
16506235 PERFORMANCE OF TECHNICAL CERAMICS OMORI, MARY I 31d overdue
17581307 MOTOR LEARNING AND VAGUS NERVE STIMULATION (VNS) PAIRED WITH MOTOR LEARNING TO TREAT DEMYELINATING DISEASES, CONDITIONS AND DISORDERS LEE, ERICA SHENGKAI 4d overdue

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18925427 HUMAN OSTEOPONTIN PROTEIN PRODUCTION IN PLANT SYSTEMS SHEN, YANXIN NMN 9d
19143905 SURGICAL INSTRUMENT FOR CONDITIONING LARGE DIAMETER BURR HOLES SHIRSAT, MARCELA —
18972502 FLOATING PLATFORM SYSTEM FOR MECHANICAL TESTING OF GELS AND TISSUES HUANG, DAVID Z —
18863566 IMMUNOBIOTICS FOR PREVENTING BACTERIAL PNEUMONIA AND METHODS OF USING THE SAME OGUNBIYI, OLUWATOSIN A —
18920752 METHODS AND DEVICES FOR A CONFIGURABLE MEDICAL INFORMATION PLATFORM YEN, SYLING —
18285246 CEMENT ADDITIVE FOR RETARDATION OF CEMENT HYDRATION, CEMENT MIXTURES INCLUDING SAME, AND METHODS OF FORMING AND USING SAME CHAU, LISA N —
17436581 LIVING STRUCTURAL MATERIAL CHAU, LISA N —

Top Art Units

Art UnitApps
3774 3
1682 3
1631 3
3783 3
3792 2
1797 2
1617 2
1785 2
1767 2
3775 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19143905 SURGICAL INSTRUMENT FOR CONDITIONING LARGE DIAMETER BURR HOLES SHIRSAT, MARCELA 3775 §102§103 Final Rejection — Pending Jun 27, 2025
19057550 Scanner Utilizing Beam Computed Tomography And Antiscatter Grid KIM, KIHO — §102§103 Non-Final OA — Pending Feb 19, 2025
18972502 FLOATING PLATFORM SYSTEM FOR MECHANICAL TESTING OF GELS AND TISSUES HUANG, DAVID Z — §112 Non-Final OA — Pending Dec 06, 2024
18864247 ANTIBIOTIC COMPOSITION AND METHODS OF USE THEREOF SEAMAN, D MARGARET M 1629 §103 Non-Final OA — Pending Nov 08, 2024
18863566 IMMUNOBIOTICS FOR PREVENTING BACTERIAL PNEUMONIA AND METHODS OF USING THE SAME OGUNBIYI, OLUWATOSIN A — §102§103§112 Non-Final OA — Pending Nov 06, 2024
18925427 HUMAN OSTEOPONTIN PROTEIN PRODUCTION IN PLANT SYSTEMS SHEN, YANXIN NMN 1663 §103§112 Non-Final OA 9d Pending Oct 24, 2024
18920752 METHODS AND DEVICES FOR A CONFIGURABLE MEDICAL INFORMATION PLATFORM YEN, SYLING 3687 §103 Non-Final OA — Pending Oct 18, 2024
18885581 Inter-Frequency Signal Aiding For Tracking Satellite Navigation Signals GREGORY, BERNARR E 3648 §101§103§112 Non-Final OA — Pending Sep 14, 2024
18817015 VENTRICULAR ASSIST ASSEMBLY, SYSTEM, AND METHOD CIRULNICK, EMILY NICOLE 3792 §102§103§112Other Non-Final OA — Pending Aug 27, 2024
18839131 SMALL MOLECULES TARGETTING EIF3E TO INHIBIT TUMOR GROWTH PROGRESSION, AND METASTASIS AULAKH, CHARANJIT — §102§112 Non-Final OA — Pending Aug 16, 2024
18837842 PLASMON-ENHANCED FLUORESCENCE BIOCHEMICAL SENSORS EOM, ROBERT J 1797 §103 Non-Final OA 20d Pending Aug 12, 2024
18800335 SYNTHESIS OF BACKBONE MODIFIED MORPHOLINO OLIGONUCLEOTIDES AND CHIMERAS USING PHOSPHORAMIDITE CHEMISTRY RILEY, JEZIA — §102§103§112Other Non-Final OA — Pending Aug 12, 2024
18784462 DEVICES FOR IMPLANTATION OF CELLULAR TRANSPLANTS AND METHODS OF USING THE SAME MULLINS, JESSICA LYNN 3792 §102§103§112 Non-Final OA — Pending Jul 25, 2024
18765795 INTACT PILL DELIVERY SYSTEM THOMAN, EVELYN ANNE — §103§112 Non-Final OA — Pending Jul 08, 2024
18750876 RHEOLOGICALLY MODIFIED LIQUID METAL DEVICES AND RELATED SYSTEMS AND METHODS SMOOT, MORIAH SIMONE MCMIL 3791 §102§103§112 Non-Final OA — Pending Jun 21, 2024
18746960 ELECTRON-ENHANCED METAL OXIDE ATOMIC LAYER DEPOSITION MATTABONI, TIMOTHY JAMES — §103 Non-Final OA — Pending Jun 18, 2024
18648678 METHODS AND COMPOSITIONS TO ENHANCE THE ANTI-INFLAMMATORY EFFECTS OF INTERLEUKIN 10 NOBLE, MARCIA STEPHENS — §103§112 Non-Final OA — Pending Apr 29, 2024
18627309 CELLULAR TRANSPLANT CARRIER DEVICES AND METHODS OF USING THE SAME GRAY, PHILLIP A — §102§103§112 Non-Final OA — Pending Apr 04, 2024
18627155 COMPOSITIONS AND METHODS FOR REDUCING ADVERSE EFFECTS OF STORAGE, TRANSPORT AND ADMINISTRATION OF ANTIGEN-CONTAINING FORMULATIONS ZHANG SPIERING, DONGXIU 1616 §103§112 Non-Final OA — Pending Apr 04, 2024
18622525 COMPOSITIONS AND METHODS FOR REDUCED TOXICITY IN TRANSPLANTATION USING JANUS KINASE (JAK) INHIBITORS PYLA, EVELYN Y — §102§103§112 Non-Final OA — Pending Mar 29, 2024
18697411 DIAGNOSING MULTIPLE SCLEROSIS (MS) COLE, HOUSTON DAVID — §101§102§103§112 Non-Final OA — Pending Mar 29, 2024
18585791 Crystalline Sp-Sp2 Hybridized Carbon Allotropes through Dynamic Covalent Synthesis KUMAR, SRILAKSHMI K — §102§112 Non-Final OA — Pending Feb 23, 2024
18686115 IONIC LIQUID-BASED COMPOSITE MEMBRANES USING FUNCTIONAL CROSS-LINKERS EZELUOMBA, MIRIAM NCHEKWUBECHU 1776 §103§112 Non-Final OA — Pending Feb 23, 2024
18685045 CELL-SURFACE ANTIBODY TO A SPECIFIC BIOMARKER OF PANCREATIC BETA-CELLS LOCKARD, JON MCCLELLAND — §112 Non-Final OA — Pending Feb 20, 2024
18429212 OPHTHALMIC IMPLANT SYSTEM FOR DRUG DELIVERY SHARMA, YASHITA 3774 §102§103 Non-Final OA — Pending Jan 31, 2024
18293258 Dynamic Assessment Of Airway Deformation AZIMA, SHAGHAYEGH 2671 §103 Non-Final OA 23d Pending Jan 29, 2024
18412205 REVERSE THERMAL GELS AND THEIR USE AS VASCULAR EMBOLIC REPAIR AGENTS PIPIC, ALMA 1617 §103§112 Non-Final OA — Pending Jan 12, 2024
18396386 SURFACE BRACHYTHERAPY DEVICE, APPLICATOR, AND METHODS THEREFOR CASLER, BRIAN L — §102§103 Non-Final OA — Pending Dec 26, 2023
18573907 PEROXIDE-ENHANCED GERMICIDAL IRRADIATION FOR THE TREATMENT OF AIRBORNE AND SURFACE-ASSOCIATED CONTAMINANTS CHEN, CHANGRU 1796 §103 Final Rejection 12d Pending Dec 22, 2023
18562035 COMPOSITIONS AND METHODS FOR PRODUCING AND USING CELL-BASED IMMUNOTHERAPIES TO TARGET TUMORS HOLTZMAN, KATHERINE ANN — §102§103§112 Non-Final OA — Pending Nov 17, 2023
18506637 COMPOSITIONS AND METHODS OF USE FOR MUTATED HOTAIR IN THE TREATMENT OF CANCERS KONOPKA, CATHERINE ANNE 1635 §112 Non-Final OA — Pending Nov 10, 2023
18481830 SULCUS IMPLANTS AND METHODS OF USING THE SAME LOPEZ, LESLIE ANN 3774 §102 Final Rejection 83d Pending Oct 05, 2023
18375953 CLUTCH SYSTEM FOR A POWERED PROSTHETIC DEVICE CROWE, RAEGAN NADIA 3774 §102 Non-Final OA — Pending Oct 02, 2023
18285246 CEMENT ADDITIVE FOR RETARDATION OF CEMENT HYDRATION, CEMENT MIXTURES INCLUDING SAME, AND METHODS OF FORMING AND USING SAME CHAU, LISA N 1785 §102§103§112 Non-Final OA — Pending Sep 30, 2023
18279769 METHODS AND DEVICES FOR NUCLEIC ACID DETECTION JONES, CHRISTINE MICHELLE 1682 §103 Final Rejection 13d Pending Sep 01, 2023
18237705 COMPOSITIONS AND METHODS FOR IMPROVED TREATMENT OF PLATINUM-BASED CHEMOTHERAPEUTIC RESISTANT TUMORS LEE, WILLIAM Y 1623 §102§112 Non-Final OA — Pending Aug 24, 2023
18274858 ELECTROLYTE FOR DURABLE DYNAMIC GLASS BASED ON REVERSIBLE METAL ELECTRODEPOSITION KING, GEORGE G 2872 §103§112 Final Rejection 41d Pending Jul 28, 2023
18359793 Novel Peptide Carrier Compositions BANERJEE, KOYELI 1658 §103 Non-Final OA — Pending Jul 26, 2023
18271727 METHODS AND COMPOSITIONS FOR MOLECULAR TRACKING IN INDIVIDUAL CELLS IN VIVO YOUNG, BRIAN ELLIS 1682 §102§103§112 Non-Final OA — Pending Jul 11, 2023
18318926 HYBRID POLYMER/CRYSTAL PHOTOMECHANICAL MATERIALS ANGEBRANNDT, MARTIN J 1737 §103§112 Non-Final OA 56d Pending May 17, 2023
18133784 COMPOSITIONS AND METHODS FOR LOWERING INTRACRANIAL PRESSURE FAY, ZOHREH ALEMZADEH 1617 §102§103§112 Non-Final OA — Pending Apr 12, 2023
18298967 PULSED ELECTRODEPOSITION FOR REVERSIBLE METAL ELECTRODEPOSITION TO CONTROL METAL FILM MORPHOLOGY AND OPTICAL PROPERTIES DOWNES, NATHANAEL JASON 1794 §103§112 Non-Final OA — Pending Apr 11, 2023
18132164 COMPOSITIONS, METHODS AND USES FOR IN VITRO AND IN VIVO GENERATION OF FUNCTIONAL THYMIC TISSUE WILSON, MICHAEL C 1638 §102§112Other Final Rejection 45d overdue Pending Apr 07, 2023
18127284 COMPOSITIONS AND METHODS FOR PRODUCING AND USING ILCS TO TREAT HEALTH CONDITIONS HAMA, JOANNE 1647 §101§103§112 Non-Final OA 131d overdue Pending Mar 28, 2023
18245749 SIGNATURES IN CELL-FREE DNA TO DETECT DISEASE, TRACK TREATMENT RESPONSE, AND INFORM TREATMENT DECISIONS BUCHANAN, BAILEY CHEYENNE 1682 §102§103§112 Final Rejection — Pending Mar 17, 2023
18175418 Method for Determining Medication Adherence and Taggants Therefo ALABI, OYELEYE A 1797 §103 Final Rejection 78d overdue Pending Feb 27, 2023
18175225 METHOD OF TREATMENT OF PATIENTS HAVING REDUCED SENSITIVITY TO A BCL-2 INHIBITOR KAUFMAN, CLAIRE M 1674 §102§103§112Other Non-Final OA — Pending Feb 27, 2023
18042509 ULTRAVIOLET-ABSORPTIVE NANOPARTICLES AND MICROPARTICLES FOR INTRADERMAL USE JANOSKO, CHASITY PAIGE 1613 §103§112 Final Rejection 271d overdue Pending Feb 22, 2023
18096668 ELECTRON-ENHANCED ATOMIC LAYER DEPOSITION (EE-ALD) METHODS AND DEVICES PREPARED BY SAME MCCLURE, CHRISTINA D 1718 §103 Non-Final OA 56d Pending Jan 13, 2023
18084105 METHOD FOR REDUCING OFF-TARGET UPTAKE OR ACCUMULATION OF AGENTS HUMPHRIES, NICHOLAS ADAM 1631 §103 Non-Final OA — Pending Dec 19, 2022
18011106 METHODS OF POLYMERIZATION WITH AROMATIC THIOL INITIATORS ROSWELL, JESSICA MARIE 1767 §103 Non-Final OA — Pending Dec 16, 2022
17997575 MULTISPECIFIC ANTI-FLT3 CHIMERIC ANTIGEN RECEPTORS ABUZEINEH, HANAN ISAM 1633 §103 Final Rejection — Pending Oct 31, 2022
17962656 Toll-Like Receptor 8 (TLR8)-Specific Antagonists and Methods of Making and Uses Thereof SEAMAN, D MARGARET M 1625 §102§112 Final Rejection 60d overdue Pending Oct 10, 2022
17953221 SMALL MOLECULE INHIBITORS OF ONCOGENIC CHD1L WITH PRECLINICAL ACTIVITY AGAINST COLORECTAL CANCER AGUIRRE, AMANDA L 1626 §102 Final Rejection — Pending Sep 26, 2022
17802842 POST-OPERATIVE SURGICAL SITE WOUND TREATMENT AND METHOD FOR DEVICE REMOVAL CHATRATHI, ARJUNA P 3781 §103 Non-Final OA — Pending Aug 26, 2022
17766387 Micron Sized Droplets With Solid Endoskeleton or Exoskeleton Which Tunes The Thermal Stability of The Liquid Droplets STANLEY, JANE L 1767 §102§112 Non-Final OA — Pending Apr 04, 2022
17704746 METHODS AND COMPOSITIONS COMPRISING A CD93/IGFBP7 BLOCKING AGENT FOR TREATING CANCER ALSOMAIRY, SARAH ABDOALATIF 1646 §112 Final Rejection — Pending Mar 25, 2022
17635320 ACID-RESISTANT INORGANIC COMPOSITE MATERIAL AND METHOD OF FORMING SAME KUVAYSKAYA, ANASTASIA ALEKSEYEVNA 1731 §103 Non-Final OA — Pending Feb 14, 2022
17634676 POLYURETHANE-REINFORCED HYDROGEL CARDIAC PATCH MILLER, SERENITY A 3771 §103 Non-Final OA — Pending Feb 11, 2022
17581307 MOTOR LEARNING AND VAGUS NERVE STIMULATION (VNS) PAIRED WITH MOTOR LEARNING TO TREAT DEMYELINATING DISEASES, CONDITIONS AND DISORDERS LEE, ERICA SHENGKAI 3796 §103§112 Non-Final OA 4d overdue Pending Jan 21, 2022
17511228 GENERATION OF FUNCTIONAL AND PATIENT-SPECIFIC THYMIC TISSUE FROM INDUCED PLURIPOTENT STEM CELLS SCHULTZ, JAMES 1631 §102§112 Final Rejection 4d overdue Pending Oct 26, 2021
17501148 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION PAZ ESTEVEZ, GUILLERMO G 3783 §103 Non-Final OA 114d overdue Pending Oct 14, 2021
17436581 LIVING STRUCTURAL MATERIAL CHAU, LISA N 1785 §103 Non-Final OA — Pending Sep 03, 2021
17317717 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION PAZ ESTEVEZ, GUILLERMO G 3783 §103 Non-Final OA 128d overdue Pending May 11, 2021
17317676 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION PAZ ESTEVEZ, GUILLERMO G 3783 §103 Non-Final OA — Pending May 11, 2021
17266502 PARN AS A BIOMARKER AND THERAPEUTIC TARGET TRAN, CHRISTINA L 1637 §101§103§112Other Non-Final OA — Pending Feb 05, 2021
16960445 3D in vitro Models of Lung Tissue ZHU, JIANJIAN 1631 §103 Non-Final OA 91d overdue Pending Jul 07, 2020
16506235 PERFORMANCE OF TECHNICAL CERAMICS OMORI, MARY I 1784 §103§112 Non-Final OA 31d overdue Pending Jul 09, 2019
18777718 NOVEL OVERLAYER FILMS AND METHODS FOR ETCHING SILICON-CONTAINING MATERIALS USING A LOW TEMPERATURE DRY CHEMICAL ETCH PROCESS VO, TUYEN KIM 2876 §103 Non-Final OA — Pending Jul 19, 2024
18190623 AUTOMATED PLATFORM TO TREAT TRAUMA-INDUCED COAGULOPATHY WITH PERSONALIZED COAGULATION FACTOR CONCENTRATIONS ANDERSON-FEARS, KEENAN NEIL — §101§102 Non-Final OA — Pending Mar 27, 2023
17922522 METHODS AND SYSTEMS FOR ENHANCING DELIVERY OF THERAPEUTIC AGENTS TO BIOFILMS USING LOW BOILING POINT PHASE CHANGE CONTRAST AGENTS SCOTLAND, REBECCA LYNN 1615 §103§112 Final Rejection — Pending Oct 31, 2022
18050192 Compositions and Methods for Treating Cancer with TSLPR-CD19 or TSLPR-CD22 Immunotherapy MARVICH, MARIA — §112 Non-Final OA — Pending Oct 27, 2022
17244333 VIRAL TESTING IN SALIVA GILL, RACHEL B 1671 §103Other Non-Final OA — Pending Apr 29, 2021

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