Prosecution Insights
Last updated: October 25, 2026

Iovance Biotherapeutics Inc.

Technology area: Biotechnology & Pharmaceuticals

18 pending office actions • 11 art units • 16 examiners • 0 of 18 (0%) have an AI response strategy ready • 24 patents granted in the last 365 days

Analysis

Iovance Biotherapeutics Inc. currently manages 19 pending office actions in the Biotechnology & Pharmaceuticals technology area. These actions are distributed across 18 distinct examiners and 11 distinct art units. This indicates a broad prosecution front where nearly every pending action is being handled by a different examiner. With 11 distinct art units involved, the company's biotechnology applications are subject to a wide range of technical reviews and examiner-specific practices across the USPTO.

CHASE, CAROL ANN is the busiest examiner, responsible for 2 of the pending office actions. The remaining actions are handled by the distinct examiners. This distribution requires the company to adapt its legal strategies to the specific preferences of many different individuals while maintaining a cohesive approach across the 11 distinct art units represented in the portfolio.

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

Portfolio Summary

18
Total Pending OAs
11
Non-Final OAs
6
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

-30dToday30d60d90d120d
Due ≤ 30 days (3)Due ≤ 60 days (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.

7
Hard (39%)
11
Medium (61%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (11%)
§103 only3 (17%)
Double-patenting + other8 (44%)
Multi-statute (no §101)5 (28%)

Industry Mix

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

17
Life Sciences
94% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
6% 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.

180 h
Manual time on pending OAs
36 h
Time saved (low, 20%)
63 h
Time saved (mid, 35%)
1.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHASE, CAROL ANN 2 41.9% +84.9%
JUEDES, AMY E 2 44.7% +41.9%
TOWNSEND, GUY K 1 74.4% +25.1%
DRISCOLL, MAUREEN VARINA 1 64.9% +41.8%
STONEBRAKER, ALYSSA RAE 1 58.9% +49.4%
JOHNSON, KARA D 1 69.3% +25.1%
BARRON, SEAN C 1 52.7% +30.4%
BRISTOL, LYNN ANNE 1 63.4% +39.8%
HUYNH, PHUONG N 1 65.8% +53.6%
WEN, SHARON X 1 56.8% +32.6%

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
17997731 PROCESSES FOR PRODUCTION OF TUMOR INFILTRATING LYMPHOCYTES AND USES OF THE SAME IN IMMUNOTHERAPY ZHU, JIANJIAN 29d
18673083 TREATMENT OF NSCLC PATIENTS REFRACTORY FOR ANTI-PD-1 ANTIBODY STONEBRAKER, ALYSSA RAE 55d
18661510 TIL EXPANSION PROCESSES USING SPECIFIC CYTOKINE COMBINATIONS AND/OR AKTI TREATMENT JOHNSON, KARA D —
18580107 METHOD FOR CRYOPRESERVATION OF SOLID TUMOR FRAGMENTS BARRON, SEAN C —
18474824 METHODS AND COMPOSITIONS FOR T-CELL COCULTURE POTENCY ASSAYS AND USE WITH CELL THERAPY PRODUCTS BRISTOL, LYNN ANNE —
18249380 CELL CULTURE SYSTEM AND METHODS OF USING THE SAME HURST, JONATHAN M —
17415175 Methods of Expanding Tumor Infiltrating Lymphocytes Using Engineered Cytokine Receptor Pairs and Uses Thereof JUEDES, AMY E —

Interview Candidates (12)

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
18262843 ADJUVANT THERAPY FOR CANCER WEN, SHARON X 20d
18673083 TREATMENT OF NSCLC PATIENTS REFRACTORY FOR ANTI-PD-1 ANTIBODY STONEBRAKER, ALYSSA RAE 55d
18878574 Packaging For Biological Samples TOWNSEND, GUY K —
18886988 TREATMENT WITH TUMOR INFILTRATING LYMPHOCYTE THERAPIES IN COMBINATION WITH CTLA-4 AND PD-1 INHIBITORS DRISCOLL, MAUREEN VARINA —
18661510 TIL EXPANSION PROCESSES USING SPECIFIC CYTOKINE COMBINATIONS AND/OR AKTI TREATMENT JOHNSON, KARA D —
18609772 CYTOKINE ASSOCIATED TUMOR INFILTRATING LYMPHOCYTES COMPOSITIONS AND METHODS CHASE, CAROL ANN —
18429006 EXPANSION OF TUMOR INFILTRATING LYMPHOCYTES (TILS) WITH TUMOR NECROSIS FACTOR RECEPTOR SUPERFAMILY (TNFRSF) AGONISTS AND THERAPEUTIC COMBINATIONS OF TILS AND TNFRSF AGONISTS JUEDES, AMY E —
18580107 METHOD FOR CRYOPRESERVATION OF SOLID TUMOR FRAGMENTS BARRON, SEAN C —

Top Art Units

Art UnitApps
1644 3
1646 3
1642 2
1641 2
1631 2
3733 1
1632 1
1653 1
1643 1
1799 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18878574 Packaging For Biological Samples TOWNSEND, GUY K 3733 §103 Non-Final OA — Pending Dec 23, 2024
18886988 TREATMENT WITH TUMOR INFILTRATING LYMPHOCYTE THERAPIES IN COMBINATION WITH CTLA-4 AND PD-1 INHIBITORS DRISCOLL, MAUREEN VARINA 1644 §103§112DP Non-Final OA — Pending Sep 16, 2024
18673083 TREATMENT OF NSCLC PATIENTS REFRACTORY FOR ANTI-PD-1 ANTIBODY STONEBRAKER, ALYSSA RAE 1642 §103§112Other Final Rejection 55d Pending May 23, 2024
18661510 TIL EXPANSION PROCESSES USING SPECIFIC CYTOKINE COMBINATIONS AND/OR AKTI TREATMENT JOHNSON, KARA D 1632 §101§102§103§112DP Non-Final OA — Pending May 10, 2024
18609772 CYTOKINE ASSOCIATED TUMOR INFILTRATING LYMPHOCYTES COMPOSITIONS AND METHODS CHASE, CAROL ANN 1646 §102§103DP Non-Final OA — Pending Mar 19, 2024
18429006 EXPANSION OF TUMOR INFILTRATING LYMPHOCYTES (TILS) WITH TUMOR NECROSIS FACTOR RECEPTOR SUPERFAMILY (TNFRSF) AGONISTS AND THERAPEUTIC COMBINATIONS OF TILS AND TNFRSF AGONISTS JUEDES, AMY E 1644 §103Other Final Rejection — Pending Jan 31, 2024
18580107 METHOD FOR CRYOPRESERVATION OF SOLID TUMOR FRAGMENTS BARRON, SEAN C 1653 §102§103 Non-Final OA — Pending Jan 17, 2024
18560898 PD-1 GENE-EDITED TUMOR INFILTRATING LYMPHOCYTES AND USES OF SAME IN IMMUNOTHERAPY CHASE, CAROL ANN 1646 §102§103DP Non-Final OA — Pending Nov 14, 2023
18474824 METHODS AND COMPOSITIONS FOR T-CELL COCULTURE POTENCY ASSAYS AND USE WITH CELL THERAPY PRODUCTS BRISTOL, LYNN ANNE 1643 §101§103§112Other Non-Final OA — Pending Sep 26, 2023
18551138 METHODS FOR INFILTRATING LYMPHOCYTE (TIL) EXPANSION RELATED TO CD39/CD69 SELECTION AND GENE KNOCKOUT IN TILS HUYNH, PHUONG N 1641 §103§112DP Non-Final OA — Pending Sep 18, 2023
18262843 ADJUVANT THERAPY FOR CANCER WEN, SHARON X 1641 §103DP Final Rejection 20d Pending Jul 25, 2023
18249380 CELL CULTURE SYSTEM AND METHODS OF USING THE SAME HURST, JONATHAN M 1799 §102§103 Non-Final OA — Pending Apr 17, 2023
18247878 TREATMENT OF NSCLC PATIENTS WITH TUMOR INFILTRATING LYMPHOCYTE THERAPIES AEDER, SEAN E 1642 §103Other Non-Final OA — Pending Apr 04, 2023
18182676 Expansion Of Peripheral Blood Lymphocytes (PBLS) From Peripheral Blood SANG, HONG 1646 §103§112DP Final Rejection — Pending Mar 13, 2023
17997731 PROCESSES FOR PRODUCTION OF TUMOR INFILTRATING LYMPHOCYTES AND USES OF THE SAME IN IMMUNOTHERAPY ZHU, JIANJIAN 1631 §102§103§112Other Non-Final OA 29d Pending Nov 01, 2022
17812146 EXPANSION OF TUMOR INFILTRATING LYMPHOCYTES FROM LIQUID TUMORS AND THERAPEUTIC USES THEROF MIANO, JOSEPH PAUL 1631 §103DP Final Rejection — Pending Jul 12, 2022
17829087 RESTIMULATION OF CRYOPRESERVED TUMOR INFILTRATING LYMPHOCYTES KELLY, ROBERT M 1638 §112DP Non-Final OA 23d Pending May 31, 2022
17415175 Methods of Expanding Tumor Infiltrating Lymphocytes Using Engineered Cytokine Receptor Pairs and Uses Thereof JUEDES, AMY E 1644 §103§112Other Final Rejection — Pending Jun 17, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Iovance Biotherapeutics Inc. have?

Iovance Biotherapeutics Inc. has 18 pending office actions as of October 2026, spread across 11 art units and 16 examiners.

Which USPTO examiner handles the most Iovance Biotherapeutics Inc. applications?

Carol Ann Chase has the most, with 2 of Iovance Biotherapeutics Inc.'s pending office actions.

What technology area are Iovance Biotherapeutics Inc.'s patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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