Prosecution Insights
Last updated: April 19, 2026

Varian Medical Systems, Inc.

11 pending office actions • 4 clients

Portfolio Summary

11
Total Pending OAs
2
Final Rejections
9
Non-Final OAs

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
Siemens Healthineers International AG 7
Siemens Healthineers International AG 2
Varian Medical Systems, Inc. 1
Varian Medical Systems, Inc. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18732536 Untitled Varian Medical Systems, Inc. IPPOLITO, NICOLE MARIE 2881 Non-Final OA
18387794 USING LARGE LANGUAGE MODELS TO TEST THE VALIDITY OF A USER ACTION IN TREATMENT PLANNING Siemens Healthineers International AG SANGHERA, STEVEN G.S. 3684 Non-Final OA Nov 07, 2023
18239068 BIOMECHANICAL DATA AUGMENTATION FOR AI AND IMAGE-GUIDED RADIATION THERAPY Siemens Healthineers International AG FAYE, MAMADOU 2884 Non-Final OA Aug 28, 2023
18457237 EXTERNAL ARTIFICIAL INTELLIGENCE MODEL FOR RADIOTHERAPY PLANNING OPTIMIZATION Siemens Healthineers International AG RODDEN, JOANNE M 3794 Non-Final OA Aug 28, 2023
18239067 BIOMECHANICAL DATA AUGMENTATION FOR AI AND IMAGE-GUIDED RADIATION THERAPY Siemens Healthineers International AG FAYE, MAMADOU 2884 Non-Final OA Aug 28, 2023
18129364 SYSTEMS AND METHODS FOR AUTOMATIC NORMAL TISSUE OBJECTIVES IN STEREOTACTIC BODY RADIOTHERAPY Siemens Healthineers International AG LEE, SHUN K 2884 Non-Final OA Mar 31, 2023
18086374 RADIATION DOSE PREDICTION VIA ARTIFICIAL INTELLIGENCE MODELS USING ORGAN DOSE TRADE-OFF Siemens Healthineers International AG CHAVEZ, ANTHONY RAY 2186 Non-Final OA Dec 21, 2022
17978693 PRE-CALCULATED COLLIMATOR MODEL FOR DOSE CALCULATION SOURCE MODELING Siemens Healthineers International AG TANDY, LAURA ELOISE 2881 Final Rejection Nov 01, 2022
17855171 SYSTEMS AND METHODS FOR PLANNING OF CARDIAC RADIATION THERAPY Varian Medical Systems, Inc. LANNU, JOSHUA DARYL DEANON 3791 Final Rejection Jun 30, 2022
17839206 DOSE-DIRECTED RADIATION THERAPY PLAN GENERATION USING COMPUTER MODELING TECHNIQUES Siemens Healthineers International AG WONG, DON KITSUN 2884 Non-Final OA Jun 13, 2022
17356235 MACHINE LEARNING APPROACH FOR SOLVING BEAM ANGLE OPTIMIZATION Siemens Healthineers International AG ALGHAZZY, SHAMCY 2128 Non-Final OA Jun 23, 2021

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