Prosecution Insights
Last updated: May 29, 2026

The University of North Carolina at Chapel Hill

41 pending office actions • 28 art units • 37 examiners • 0 of 41 (0%) have an AI response strategy ready • 44 patents granted in the last 365 days

Portfolio Summary

41
Total Pending OAs
23
Non-Final OAs
18
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 39 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

23
Overdue
0
Due this week
5
Due this month
8
Due in next 60 days
3
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. 39 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (23)Due ≤ 30 days (5)Due ≤ 60 days (8)Due later (3)

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.

0
Hard (0%)
23
Medium (56%)
7
Easy (17%)
11
Unknown (27%)

Rejection Statute Mix

BucketCases
§103 only19 (46%)
§102 only3 (7%)
§112 only7 (17%)
Double-patenting + other1 (2%)
No statute on record11 (27%)

Industry Mix

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

36
Life Sciences
88% of docket
0
Information Tech
0% of docket
1
Communications
2% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
10% of docket
0
Business / Other
0% 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.

410 h
Manual time on pending OAs
82 h
Time saved (low, 20%)
144 h
Time saved (mid, 35%)
3.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHOI, YOUNHEE JEON 2 71.1% +48.1%
NGUYEN, QUANG 2 38.2% +52.8%
SCHUBERG, LAURA J 2 23.7% +36.7%
SHIN, DANA H 2 27.2% +27.6%
KANG, TAE-SIK 1 58.0% +27.2%
SEBASTIAN, KAITLYN E 1 72.8% +20.0%
CHANG, DANIEL CHEOLJIN 1 88.3% +13.1%
NOAKES, SUZANNE MARIE 1 73.1% +18.3%
COPPINS, JANET L 1 73.4% +25.0%
MITCHELL, EDWIN COLEMAN 1 33.3% +65.1%

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
18702797 Selective Backpropagation Through Time CHANG, DANIEL CHEOLJIN 2d overdue

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
17050561 METHODS AND COMPOSITIONS FOR TREATMENT OF HEMOPHILIA SHIN, DANA H 105d overdue
17542150 GENERATION OF NEURONS BY REPROGRAMMING OF OLIGODENDROCYTES AND OLIGODENDROCYTE PRECURSOR CELLS SHIN, DANA H 100d overdue
16006460 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT SCHUBERG, LAURA J 60d overdue
17867135 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT SCHUBERG, LAURA J 44d overdue

Interview Candidates (14)

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
17050561 METHODS AND COMPOSITIONS FOR TREATMENT OF HEMOPHILIA SHIN, DANA H 105d overdue
16761876 METHODS AND COMPOSITIONS FOR CIRCULAR RNA MOLECULES NGUYEN, QUANG 103d overdue
17542150 GENERATION OF NEURONS BY REPROGRAMMING OF OLIGODENDROCYTES AND OLIGODENDROCYTE PRECURSOR CELLS SHIN, DANA H 100d overdue
18391998 POLYMERIC IMPLANTS WITH HIGH DRUG LOADING AND LONG-ACTING DRUG RELEASE AND METHODS OF MAKING THE SAME MITCHELL, EDWIN COLEMAN 96d overdue
16006460 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT SCHUBERG, LAURA J 60d overdue
18438385 BIFUNCTIONAL CHEMICAL EPIGENENTIC MODIFIERS AND METHODS OF USE COPPINS, JANET L 52d overdue
17867135 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT SCHUBERG, LAURA J 44d overdue
19100114 INTRAVASCULAR DUAL FREQUENCY SONOTHROMBOLYSIS MEDIATED WITH MICROBUBBLES/NANODROPLETS CHOI, YOUNHEE JEON 43d overdue

Top Art Units

Art UnitApps
1631 4
3797 3
1798 3
1635 3
1628 2
1672 2
1632 2
1637 2
1728 1
2669 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19169745 FUNCTIONALIZED AROMATIC PHOSPHONIC ACIDS FOR DISPLAY AND SOLAR CELL APPLICATIONS KANG, TAE-SIK 1728 §103 Non-Final OA 33d Pending Apr 03, 2025
19100114 INTRAVASCULAR DUAL FREQUENCY SONOTHROMBOLYSIS MEDIATED WITH MICROBUBBLES/NANODROPLETS CHOI, YOUNHEE JEON 3797 §103 Non-Final OA 43d overdue Pending Jan 30, 2025
18866958 WEARABLE APPARATUS FOR DEEP TISSUE SENSING AND DIGITAL AUTOMATION OF DRUG DELIVERY SEBASTIAN, KAITLYN E 3797 §103 Non-Final OA 34d Pending Nov 18, 2024
18720482 METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR USING TRAINED MACHINE LEARNING MODEL INCLUDING AN ATTENTION MODULE TO ESTIMATE GESTATIONAL AGE FROM ULTRASOUND IMAGE DATA CHOI, YOUNHEE JEON 3797 §112 Non-Final OA 41d Pending Jun 14, 2024
18702797 Selective Backpropagation Through Time CHANG, DANIEL CHEOLJIN 2669 §103 Non-Final OA 2d overdue Pending Apr 18, 2024
18691748 MODIFIED PROTEIN DISULFIDE ISOMERASE AND USES THEREOF NOAKES, SUZANNE MARIE 1656 §102 Non-Final OA 50d Pending Mar 13, 2024
18438385 BIFUNCTIONAL CHEMICAL EPIGENENTIC MODIFIERS AND METHODS OF USE COPPINS, JANET L 1628 Other Non-Final OA 52d overdue Pending Feb 09, 2024
18391998 POLYMERIC IMPLANTS WITH HIGH DRUG LOADING AND LONG-ACTING DRUG RELEASE AND METHODS OF MAKING THE SAME MITCHELL, EDWIN COLEMAN 1619 §102 Non-Final OA 96d overdue Pending Dec 21, 2023
18571412 INJECTABLE, BIODEGRADABLE AND REMOVABLE POLYMER BASED DRUG SUSPENSION FOR ULTRA-LONG-ACTING DRUG DELIVERY BARSKY, JARED 1628 Other Non-Final OA 34d Pending Dec 18, 2023
18564205 Selenium Maleimide Compounds And Uses Thereof RZECZYCKI, PHILLIP MATTHEW 1625 §112 Non-Final OA 83d Pending Nov 27, 2023
18558919 COMPOSITIONS AND METHODS RELATED TO THE TREATMENT OF OCULAR DISEASES IN EQUINES NGUYEN, QUANG 1631 §103 Non-Final OA 46d Pending Nov 03, 2023
18550730 METHODS AND COMPOSITIONS FOR MATURE DENGUE VIRUSES AS VACCINES AND DIAGNOSTICS GRIZER, CASSANDRA SENN 1672 §103 Non-Final OA 60d Pending Sep 15, 2023
18239036 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT PARK, HAEJIN S 1614 DPOther Final Rejection Pending Aug 28, 2023
18273372 FLUOROOLEFIN-VINYL ETHER COPOLYMER IONIC FLUOROGELS AND METHODS OF USE THEREOF LEE, RIP A 1762 §112 Non-Final OA 8d Pending Jul 20, 2023
18270383 IODINE REDUCTION FOR REPRODUCIBLE AND HIGH PERFORMANCE PEROVSKITE SOLAR CELLS AND MODULES TRINH, THANH TRUC 1726 §103 Final Rejection 8d Pending Jun 29, 2023
18216230 ARRAY OF MICROMOLDED STRUCTURES FOR SORTING ADHERENT CELLS KWAK, DEAN P 1798 Other Non-Final OA 53d overdue Pending Jun 29, 2023
18034669 DUAL TARGETING CHIMERIC ANTIGEN RECEPTORS SWARTWOUT, BRIANNA KENDALL 1644 §103 Non-Final OA 66d overdue Pending Apr 28, 2023
18030548 INTRAORAL SPEECH DEVICES, METHODS, AND SYSTEMS KOHUTKA, BROOKE NICOLE 3791 §103 Non-Final OA 5d overdue Pending Apr 06, 2023
18186746 METHODS AND COMPOSITIONS FOR DUAL GLYCAN BINDING AAV2.5 VECTOR MOLOYE, TITILAYO 1632 §112 Final Rejection 26d overdue Pending Mar 20, 2023
18006278 OPTIMIZED SLC13A5 GENES AND EXPRESSION CASSETTES AND THEIR USE ALLEN, SARAH ELIZABETH 1637 Other Non-Final OA 9d Pending Jan 20, 2023
18083201 IN VIVO-COMPARABLE IN VITRO ASSAY FOR LUNG EPITHELIAL BARRIER INJURY TURK, NEIL N 1798 §103 Final Rejection 35d overdue Pending Dec 16, 2022
17961538 METHODS AND SYSTEMS FOR USING ENCAPSULATED MICROBUBBLES TO PROCESS BIOLOGICAL SAMPLES WHATLEY, BENJAMIN R 1798 §103 Final Rejection 103d overdue Pending Oct 06, 2022
17914000 BINDING PROTEINS USEFUL AGAINST ACE2-TARGETED VIRUSES HOWARD, ZACHARY C 1674 §103 Non-Final OA Pending Sep 23, 2022
17867135 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT SCHUBERG, LAURA J 1631 Other Non-Final OA 44d overdue Pending Jul 18, 2022
17786932 METHODS FOR TREATING HUNTINGTON'S DISEASE ZARA, JANE J 1637 §112 Final Rejection 4d overdue Pending Jun 17, 2022
17783038 GENE TRANSFER SYSTEM WANG, RUIXUE 1672 §102 Final Rejection 22d overdue Pending Jun 07, 2022
17775817 METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR ENHANCED VIRTUAL CROSSMATCHING USING PHYSICAL-CROSSMATCH-OUTCOME-DATA-DERIVED MODEL AUGER, NOAH ANDREW 1687 §103 Final Rejection 89d overdue Pending May 10, 2022
17775221 REACTIVE OLIGOMERS, ADDITIVE MANUFACTURING METHODS, AND ARTICLES THEREOF LISTVOYB, GREGORY 1765 §103 Final Rejection 40d Pending May 06, 2022
17769917 METHODS AND COMPOSITIONS FOR CANCER TREATMENT USING NANOPARTICLES CONJUGATED WITH MULTIPLE LIGANDS FOR BINDING RECEPTORS ON NK CELLS CANELLA, KAREN A 1643 §112 Non-Final OA 28d Pending Apr 18, 2022
17639794 PROTEINS COMPRISING T-CELL RECEPTOR CONSTANT DOMAINS PETERS, ALEC JON 1641 Other Final Rejection 50d overdue Pending Mar 02, 2022
17618944 PHOTOACTIVE COMPOSITIONS FOR THERAPUETIC AGENT DELIVERY MEJIAS, SAMANTHA LEE 1618 §103 Final Rejection 15d overdue Pending Dec 14, 2021
17542150 GENERATION OF NEURONS BY REPROGRAMMING OF OLIGODENDROCYTES AND OLIGODENDROCYTE PRECURSOR CELLS SHIN, DANA H 1635 Other Non-Final OA 100d overdue Pending Dec 03, 2021
17532756 METHODS AND COMPOSITIONS USING RNA INTERFERENCE AND ANTISENSE OLIGONUCLEOTIDES FOR INHIBITION OF KRAS SULLIVAN, STEPHANIE LAUREN 1635 Other Final Rejection 119d overdue Pending Nov 22, 2021
17398982 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT HUHN, RICHARD A 1764 §112 Final Rejection 69d Pending Aug 10, 2021
17176561 FLOW CELLS UTILIZING SURFACE-ATTACHED STRUCTURES, AND RELATED SYSTEMS AND METHODS MUI, CHRISTINE T 1797 §103 Non-Final OA 76d Pending Feb 16, 2021
17050561 METHODS AND COMPOSITIONS FOR TREATMENT OF HEMOPHILIA SHIN, DANA H 1635 §103 Final Rejection 105d overdue Pending Oct 26, 2020
16761876 METHODS AND COMPOSITIONS FOR CIRCULAR RNA MOLECULES NGUYEN, QUANG 1631 Other Final Rejection 103d overdue Pending May 06, 2020
16570673 AUTOMATED COLLECTION OF A SPECIFIED NUMBER OF CELLS KRIANGCHAIVECH, KETTIP 1686 §103 Final Rejection 78d overdue Pending Sep 13, 2019
16428138 Methods and Compositions for Treating Dystroglycanopathy Disorders SINGH, ANOOP KUMAR 1632 §103 Non-Final OA 44d overdue Pending May 31, 2019
16422086 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT VAN BUREN, LAUREN K 1638 Other Final Rejection 13d Pending May 24, 2019
16006460 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT SCHUBERG, LAURA J 1631 Other Final Rejection 60d overdue Pending Jun 12, 2018

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