Arla Foods amba vs. Leprino Foods Company et al.

Explore the PTAB proceeding IPR2025-01199 filed by Arla Foods amba on 2025-07-15. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01199

Filing Date

2025-07-15

Accorded Filing Date

2025-07-15

Institution Decision Date

2026-01-09

Last Modified Date

2026-09-11

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

Arla Foods amba

Represented By

Kaiser, Jessicaet al

Patent Owner / Respondent

Leprino Foods Company et al.

Represented By

Krieger, Justinet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1700 - Chemical & Materials Engineering

Patent Information

1 Patent Involved

Respondent Application Number 18097003

Respondent Patent Number 11825860

External Links

Espacenet

Google Patents

Respondent Inventor Paulos Tesfe et al

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

147 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Kilpatrick Townsend & Stockton LLP - West Coast - Mailstop: IP Docketing - 22

Customer Number 20350

Address 1100 Peachtree Street, Suite 2800, Atlanta, GA, 30309, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
29476	John Pratt	404-815-6500
31741	Theodore Brown Iii	650-326-2400
31814	Charles Calkins	336-607-7300
31836	Paul Haughey	415-273-4787
33160	Steven Borgman	281-809-4100
33452	Dean Russell	404-815-6500
35687	Susan Spaeth	650-324-6335
36974	Roger Wylie	206-516-3092
37234	William Shaffer	650-326-2400
37330	Eugenia Garrett-Wackowski	925-472-5000
37911	Steven Phillips	919-420-1700
38464	Darin Gibby	303-571-4000
39381	Joseph Snyder	415-472-5000
39389	Mitchell Stockwell	404-815-6500
39751	Rebecca Peterson	925-472-5000
40253	J Schiff	650-324-6340
40339	Brenda Holmes	404-815-6500
40456	Patrick Jewik	415-576-0200
40852	Michael Turton	404-607-0770
41303	Andrew Serafini	206-626-7769
41772	John Gardner	336-607-7300
42985	Michael Pavento	404-815-6213
43336	Sujit Kotwal	650-324-6365
43791	Tina Mckeon	404-815-6103
44005	John Zigmant	415-576-0200
44807	Kristin Doyle	404-815-6389
44879	Jean Lockyer	415-576-0200
45865	Vaibhav Kadaba	404-815-6500
46103	Eric Gayan	919-420-1732
46694	Lizette Fernandez	404-541-6694
46758	Tywanda Harris	404-745-2597
47040	Cynthia Rothschild	336-607-7300
47384	John Alemanni	929-420-1724
47400	Nena Bains	650-326-2400
47651	Matthew Hinsch	415-576-0200
47719	Justin Krieger	303-405-1486
47981	Timothy Sullivan	281-809-4108
49088	Francois Vandervegt	703-770-7571
50866	Roger Hylton	650-326-2400
51082	Matias Ferrario	336-607-7300
51095	Babak Kusha	925-472-5006
51110	Nathan Maki	206-626-7784
51345	Megan Mccoy	415-273-4757
51361	Ruthleen Uy	858-350-3870
51588	Cathy Cretsinger	415-576-0200
52130	Elena Polovnikova	404-815-6500
52145	David Raczkowski	415-576-0200
53825	Marina Zalevsky	310-966-4916
53994	Jennifer Blackburn	404-815-6500
54111	Chuan Gao	415-576-0200
54236	Russell Korn	404-815-6500
54682	Kathryn Wade	404-815-6500
54713	Michael Bertelson	--
55246	Joe Hao	301-230-9048
55589	Tiffany Thomas	858-350-6151
56400	Craig Largent	650-326-2400
56827	Troy Petersen	202-481-9933
57021	James Bergstrom	303-571-4000
57203	Carl Sanders	919-420-1728
57535	Kelvin Catmull	650-326-2400
58011	David Holloway	202-815-6500
58180	Jason Gardner	919-420-1727
58961	Renae Wainwright	404-815-6500
59500	Charles Cheng	650-462-5334
60229	Melissa Harwood	206-626-7783
60687	Alton Absher Iii	336-607-7300
60728	Rodney Rothwell Jr.	202-481-9930
60804	Yifan Mao	650-324-6311
61076	Joshua Lee	404-815-6500
61226	David Reed	404-745-2548
61345	Charles Gray	303-571-4000
61751	Daniel Sherwinter	303-607-3217
62078	Mark Mcmaster	206-224-2961
62245	Michael Morlock	404-815-6003
62647	Jesse Bennett	206-224-2856
62876	Matthew Crookston	303-571-4000
63789	Megan Bussey	212-775-8706
64190	Karam Saab	303-571-4000
64200	Aaron Swehla	303-571-4000
64668	Kimberlynn Davis	404-541-6815
64883	Neslihan Doran-Civan	415-273-4845
65567	Jennifer Giordano-Coltart	919-420-1716
65741	Kanchan Sripathy	650-326-2400
65990	Clark Weight	202-344-8300
66184	Kenneth Shurtz	650-326-2400
67590	Justin Eurek	650-326-2400
68161	Nicoletta Kennedy	609-346-1095
68757	Allison Dobson	336-607-7405
69272	Valerie Moore	281-809-4113
69319	Patrick Njeim	206-467-9600
69493	Richard Christiansen	858-350-3863
69943	Tyler Mcallister	206-224-2865
69963	Jonathan Harris	859-226-2309
70195	Anthony Guebert	404-815-6015
70333	Vanessa Bell	925-472-5008
70593	Eben Allen	206-516-3085
70993	Jeffrey Marlink	206-224-2852
71345	Zachary Kelton	919-420-1720
71835	Brett Mellor	303-607-3211
72265	Christopher Thomas	202-481-9950
72614	Cynthia Rickett	206-516-3096
72641	Torrey Spink	303-607-3207
72701	Yanping Parks	919-420-1811
72748	Kristan Wagner	404-815-6064
72776	Arush Gadkar	202-481-9932
73531	Patrick Miller	415-273-8311
73982	Zhengzheng Yao	415-273-4395
74185	Courtney Dabbiere	404-307-4834
74482	Christopher Roberge	415-576-0200
74538	Alexa Hunter	303-607-3218
75397	William Sparkman	404-532-6880
75505	Maha Khalaj	678-420-9310
75611	Ishir Mehta	404-607-9991
76190	Jun Ma	314-341-0988
76327	Chrystal Tomblyn	336-607-7442
76681	Jabeen Ahmad	919-420-1735
77105	Melissa Love	404-815-6034
77528	Poh Teng	925-817-3133
77910	Albert Chen	646-601-7671
77956	Lin Yan	415-273-4303
78116	Jessica Garcia	650-462-5322
78360	Jacob Plovanic	206-224-2869
78604	Jacob Hermann	415-273-4353
79039	Jacob Guttenberg	303-223-1278
79105	Quinten Campbell	303-607-3242
79115	Benjamin Black	206-224-2858
79266	Michael Figg	404-815-6037
79510	John Baumgartner	415-576-0200
79561	Jeffrey Lassen	303-607-3253
79676	Wyatt Reid	404-745-2417
800031	Yang Cao	202-481-9944
80440	Justin Misleh	202-481-9959
80449	Ruming Wen	404-532-6876
80728	Jordan Glassman	919-420-1743
80894	Kathryn Apsens	415-273-4721
81153	Ahmad Khoshnevis	503-702-0078
81183	Alexandra Farquhar	202-508-5800
81201	Eric Henderson	336-607-7398
81226	Grant Wanderscheid	650-324-6367
81769	Vaibhav Sharma	212-775-8746
81801	Aviya Zarur	310-777-3746
81853	Rolando Rengifo	470-351-7836
81997	Jennifer Patritti Cram	281-809-4108
82167	Megan Saia	352-327-2690
82309	Alexandra Nelson	336-607-7317
82677	Raquel De Castro	479-466-3991
L1392	Chetan Mutha	202-508-5800

Proceeding Documents

114

Notice of Deposition of Dr. Mark Etzel NOTICE

2026-09-11 FILING PARTY: PATENT OWNER

Download

Notice of Patent Owner Objections to Petitioner Evidence NOTICE

2026-09-01 FILING PARTY: PATENT OWNER

Download

Petitioner's Opposition to Motion to Amend OPPOSITION

2026-08-25 FILING PARTY: PETITIONER

Download

1029

EX1029 - Printout of Dr. Harte’s official web profile page at Pennsylvania State University Exhibit

2026-08-25 FILING PARTY: PETITIONER

Download

1031

EX1031 - U.S. Pat. Appl. Pub. No. US2019/0274331 Exhibit

2026-08-25 FILING PARTY: PETITIONER

Download

Arla Foods amba vs. Leprino Foods Company et al.

Proceeding Overview

Parties & Counsel

Petitioner

Arla Foods amba

Represented By

Patent Owner / Respondent

Leprino Foods Company et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice of Deposition of Dr. Mark Etzel NOTICE

Notice of Patent Owner Objections to Petitioner Evidence NOTICE

Petitioner's Opposition to Motion to Amend OPPOSITION

EX1029 - Printout of Dr. Harte’s official web profile page at Pennsylvania State University Exhibit

EX1031 - U.S. Pat. Appl. Pub. No. US2019/0274331 Exhibit

EX1034 - Unit Operations of Chemical Engineering Exhibit

EX1027 - Caseinomacropeptide influences the functional properties of a whey protein concentrate Exhibit

EX1040 - Centrifuge Filters 0.45µm CA, Micro 800ul Capacity with 2ml Receiver Tube, Non Sterile, pk100, MS CICA45(100) Exhibit

EX1026 - Technical Report: Whey Protein Heat Stability Exhibit

EX1030 - Chromatographic Integration Methods Exhibit

Petitioner's Reply REPLYTOOPP

EX1032 - Transcript of Dr. Harte’s Deposition Exhibit

EX1041 - U.S. Pat. Appl. Pub. No. US2012/0114795 Exhibit

EX1036 - Ultrafree Centrifugal Filter, 0.4 mL Sample Volume, pore size 0.45 µm Exhibit

EX1039 - Differential Effects of Dry vs. Wet Heating of ß-Lactoglobulin on Formation of sRAGE Binding Ligands and sIgE Epitope Recognition Exhibit

EX1028 - A proteomics approach to characterizing limited hydrolysis of whey protein concentrate Exhibit

EX1024 - Declaration of Dr. Mark Etzel, Ph.D. supporting Petitioner’s Reply Exhibit

EX1025 - Declaration of Dr. Mark Etzel, Ph.D. supporting Petitioner’s Opposition to Amend Exhibit

EX1035 - Efficient removal of spores from skim milk using cold microfiltration: Spore size and surface property considerations Exhibit

EX1037 - Dairy Technology Handbook Exhibit

EX1033 - Essentials of LC Troubleshooting, VI: How Wide Should Those Peaks Be? Exhibit

EX1038 - U.S. Pat. Appl. Pub. No. US20210267238 Exhibit

Ex. 3005 Exhibit

Petitioner's Updated Mandatory Notices NOTICE

Ex. 3004 Exhibit

Ex. 3003 Exhibit

Ex. 3002 Exhibit

Petitioner's Notice of Deposition NOTICE

Patent Owner's Updated Exhibit List NOTICE

Petitioner's Objections to Patent Owner's Evidence OTHER

Patent Owner's Updated Exhibit List NOTICE

GEA Liquid Tech Exhibit

EFSA Panel on Nutrition Exhibit

Garrett Exhibit

Neelima Exhibit

Adav Exhibit

ADPI Dairy Ingredients Composition Guide Exhibit

Smith K Exhibit

Kosikowski Exhibit

Smith Exhibit

Mestawet Exhibit

Qian Exhibit

Hu Exhibit

Jacob Exhibit

Declaration of Frederico Harte, Ph.D. Exhibit

Patent Owner's Contingent Motion to Amend MOTION

Cordova-Davalos Exhibit

ADPI Dry Whey Standard Exhibit

Lai Exhibit

Thermo Scientific Exhibit

Bhat Exhibit

Patent Owner Response RESPONSE

Anema Exhibit

Jaeger Deposition Transcript Exhibit

Corredig Exhibit

Gotham Exhibit

Aschaffenburg Exhibit

Chapter 1 Ratio Relations Exhibit

US 2012 0029165 A1 Exhibit

Haque Exhibit

Merin Exhibit

Warner Exhibit

Madureira Exhibit

Saha Exhibit

Harrison Exhibit