Eunsung Global Corp. vs. HydraFacial LLC et al.

Explore the PTAB proceeding IPR2025-00453 filed by Eunsung Global Corp. on 2025-01-14. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00453

Filing Date

2025-01-14

Accorded Filing Date

2025-02-14

Institution Decision Date

—

Last Modified Date

2026-06-04

Proceeding Type

IPR

Termination Date

2025-07-31

Trial Status

Terminated-Settled

Parties & Counsel

Petitioner

Eunsung Global Corp.

Represented By

Monaldo, Jeremyet al

Patent Owner / Respondent

HydraFacial LLC et al.

Represented By

Razai, Aliet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3700 - Mechanical Engineering & Manufacturing

Patent Information

1 Patent Involved

Respondent Application Number 16517268

Respondent Patent Number 11446477

External Links

Espacenet

Google Patents

Respondent Inventor Roger Ignon et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

207 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Knobbe, Martens, Olson & Bear, LLP

Customer Number 20995

Address 2040 MAIN STREET, FOURTEENTH FLOOR, IRVINE, CA, 92614, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
31291	Joseph Re	949-760-0404
31430	Craig Summers	949-760-0404
32297	Edward Schlatter	949-760-0404
34115	Daniel Altman	949-760-0404
34362	John King	949-760-0404
35556	Stephen Jensen	949-760-0404
36516	Michael Fuller	858-707-4000
37688	Steven Nataupsky	949-760-0404
37924	Raimond Salenieks	858-707-4000
39287	Joseph Mallon	858-707-4000
39901	Neil Bartfeld	858-707-4202
40574	Maria Anderson	206-405-2000
40664	Joseph Jennings	949-760-0404
41371	David Weiss	310-551-3450
41394	Adeel Akhtar	415-954-4114
42610	John Grover	949-760-0404
43622	Mark Gallagher	949-760-0404
43745	Sabing Lee	949-760-0404
43878	Joseph Reisman	858-707-4000
44087	Paul Conover	949-760-0404
44328	Melanie Seelig	206-405-2000
45664	Eric Furman	858-707-4000
46206	Mauricio Uribe	206-405-2000
46547	Matthew Bellinger	949-760-0404
47677	Bruce Itchkawitz	949-760-0404
48877	Curtis Huffmire	949-760-0404
51212	Andrew Douglas	949-760-0404
51240	Linda Liu	949-760-0404
51241	James Herkenhoff	6503282844
51754	Christy Green	949-760-0404
51922	Irfan Lateef	949-721-7672
52082	Perry Oldham	949-721-2961
53018	Gregory Hermanson	858-707-4000
53084	Mark Kachner	310-551-3450
53102	Benjamin Katzenellenbogen	(617) 499-6200
53317	Andrew Merickel	415-954-4114
53428	Yichuan Pan	858-707-4000
53658	Sheila Swaroop	949-760-0404
54198	Russell Jeide	949-760-0404
54511	Josue Villalta	949-760-0404
54618	Karen Lenker	949-760-0404
55030	Cheryl Burgess	949-721-2935
55036	Ted Cannon	949-760-0404
55310	Agnes Juang	949-760-0404
55634	Raymond Smith	949-760-0404
56553	Lauren Keller	949-721-6365
57046	Jarom Kesler	949-760-0404
57505	Michael Christensen	949-760-0404
57571	Maria Stout	858-707-4000
57871	Mark Marsden	858-707-4000
58474	Jared Bunker	949-760-0404
58621	Ryan Melnick	858-707-4000
58855	Andrew Kimmel	949-760-0404
59362	Lincoln Essig	202-640-6400
59406	David Trossen	415-954-4114
59856	Terry Tullis	949-760-0404
60295	Brenden Gingrich	858-707-4000
60934	Christopher Ross	949-760-0404
61224	Carol Pitzel Cruz	206-405-2000
61513	Colin Heideman	206-405-2000
61546	Theodore Papagiannis	949-760-0404
61557	Nicholas Zovko	949-760-0404
61569	Qian Dai	858-707-4000
61595	Susan Natland	949-760-0404
61749	Kimberly Miller	858-707-4000
61805	Jason Jardine	858-707-4000
62027	Aaron Davis	415-954-4114
62280	Ian Gillies	858-707-4000
62676	Philip Nelson	949-760-0404
62933	Christie Matthaei	206-405-2000
63035	Kregg Koch	310-551-3450
63051	Brian Claassen	949-760-0404
63106	Chang Lim	949-760-0404
63160	Nathanael Luman	858-836-9000
63635	Alan Laquer	949-760-0404
63934	Jeffery Hallstrom	949-760-0404
64096	Joshua Stowell	949-760-9562
64420	Jason Swartz	609/734-6888
64970	Morgan Coates	949-760-0404
65026	Devanie Dufour	202-640-6400
65066	Scott Cromar	949-721-2812
65157	Laura Hall	949-721-7686
65290	Sean Ambrosius	949-760-0404
65562	Derek Dailey	858-707-4000
65614	Shannon Lam	949-760-0404
65642	Andrea Cheek	202-640-6400
65994	Marko Zoretic	949-760-0404
66152	Lance Smemoe	949-760-0404
66226	Derek Bayles	949-760-0404
66385	Joan Chan	949-760-0404
66766	Andrew Lloyd	949-760-0404
67249	Kyu Min	415-954-4114
67720	Salima Merani	949-760-0404
67824	Hochan Song	949-760-0404
67884	Jonathan Bachand	202-640-6400
68005	Vikas Bhargava	949-760-0404
68069	Vladislav Teplitskiy	949-721-5308
68287	Paul Stellman	415-954-4114
68306	William Adams	949-760-0404
68316	Jason Champion	949-760-0404
68329	Daniel Gibson	949-760-0404
68430	Vladimir Lozan	949-721-2828
68578	Thomas Cowan	858-707-4000
68587	Viswanathan Lakshmanan	415-954-4114
69133	Stephen Larson	949-760-0404
69282	Heungsoo Choi	858-707-4000
70224	Robert Hilton	858-707-4000
70256	Damien Howard	949-760-0404
70367	Adam Powell	650-752-1100
70451	Mark Rubinshtein	858-707-4000
70611	Karen Marie Cassidy	949-721-5302
70780	Bryan Mcwhorter	206-405-2000
71099	Justin Gillett	949-760-0404
71587	Hans Mayer	949-760-0404
71679	Daniel Kamkar	858-707-4180
71691	Makoto Tsunozaki	415-954-4114
71933	Jordan Gottdank	858-707-4000
72423	Brian Graham	415-814-6161
72722	Peter Law	858-707-4243
73097	Harnik Shukla	949-760-0404
73126	David Schmidt	949-721-6386
74164	Aaron Johnson	949-395-4097
74752	Aryeh Feinstein	202-640-6408
74897	Douglas Wentzel	856-285-4688
74907	Dominic Filice	650-849-3061
75143	Michelle Ziperstein	310-407-3475
75150	Clayton Henson	858-707-4000
75231	Paul Spiel	206-405-2032
75319	Alexander Martinez	949-760-0404
75684	Jessica Achtsam	949-760-0404
75686	Jeremy Anapol	949-721-2806
75717	Jeremy Carney	949-760-0404
75733	Katherine Mcmorrow	310-407-3460
75805	Brian Barnes	949-721-5242
76047	Inzer Ni	212-849-3044
76130	Tyler Cox	415-217-3516
76238	Mitchell Hadley	212-849-3013
76314	David Cohen	949-760-0404
76416	Spencer Carter	949-760-0404
76592	Daniel Hughes	858-707-4000
76821	Charles Choi	718-807-5825
77014	Justin Culbertson	202-640-6400
77396	Paige Radtke	949-760-0404
77474	Alistair Mcintyre	858-707-4102
77499	Samuel Cockriel	949-760-0404
77806	Nathan Reeves	206-405-2000
77839	Zachary Messick	858-707-4000
78415	Rhett Ramsey	949-721-2932
78566	Douglas Crandell	858-707-4253
78620	Brian Flynn	858-707-4187
78677	Kurt Jacobs	949-721-2994
79031	Christopher Lewis	202-640-6433
79046	Xiaoyan Wang	949-760-0404
79108	Lindsay Laddaran	949-721-2893
79142	Paige Cappelli	202-640-6409
79146	Serah Friedman	310-825-1097
79242	Joshua Martineau	212-849-3000
79325	Luke Holbrook	949-721-2929
79474	Yi-Ju Chen	858-707-4000
79477	Ryan Newell	949-760-0404
79610	Jose Martin Del Campo	949-721-5340
79631	Daniel Kiang	949-760-0404
79683	Eric Abada	415-217-3515
79744	Erin Cardinal	202-640-6417
79750	Daniel Mittelstein	949-760-0404
79783	Janet Allendorph	858-707-4000
79806	Charles Sirek	949-760-0404
800049	Po-An Chen	949-721-2835
800099	Jae Jin Lee	212-849-3022
800104	Rory Lootsma	949-760-0404
800106	Baiyu Zhu	215-268-3871
800110	Geetha Durairaj	949-760-0404
80143	Tomohisa Fujiwara	858-707-4210
80189	Michael Salamy	858-225-3683
80326	Ashley Morales	858-707-4022
80584	Zachary Grinovich	949-760-0404
80623	Gregory Munchinsky	858-707-4000
80915	Susan Janicki	946-760-0404
80919	Emmett Litvak	91-124-280-6101
81154	Dylan Kramer	949-721-7679
81223	Phillip Minnick	858-707-4000
81514	Ryan Freedman	516-307-6947
81554	Harper Beasley	858-707-4014
81694	Oren Rosenberg	949-721-2928
81756	Sophia Zahn	914-792-8066
81888	Justin Theam	949-760-0404
81919	Richard Witas	120-264-06415
82102	Jordan Deorio	949-721-2840
82117	Purna Chandrasekhar	908-391-4940
82306	Kathryn Mccarthy	949-760-0404
82380	Arash Pia	949-721-5276
82485	Mason Whisnant	212-849-3060
82505	James Raleigh	121-284-93063
82574	Bailey Arenberg	949-760-0404
82614	Zachary Greenberg	347-266-1025
82708	Jaeyoung Choi	949-721-2810
82852	Jacob Etling	724-757-6817
82890	Ningxi Sun	858-707-4110
82901	Cesar Estrada	949-760-0404
82924	Matthew Whitehead	206-405-2041
83014	Shawn Hickey	206-405-2000
83062	Sashank Krothapally	415-217-8380
83091	Shloka Raghavan	858-707-4000
83096	Kelsey Weinman	949-760-0404
83166	Raymond Lu	969-760-2852
83383	Jamal Perry	212-849-3030
L1081	Stacy Rush	646-575-6066

Proceeding Documents

101

Notice: refund approved NOTICE

2025-09-22 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2025-09-16 FILING PARTY: PETITIONER

Download

Order: ORDER Granting Patent Owner’s Motion to Expunge 37 C.F.R. § 42.56 ORDER

2025-08-19 FILING PARTY: BOARD

Download

3003

Ex. 3003 Exhibit

2025-08-18 FILING PARTY: BOARD

Download

PO Motion to Expunge - HydraFacial-Eunsung '477 Pat. IPR2025-00453 MOTION

2025-08-15 FILING PARTY: PATENT OWNER

Download

Eunsung Global Corp. vs. HydraFacial LLC et al.

Proceeding Overview

Parties & Counsel

Petitioner

Eunsung Global Corp.

Represented By

Patent Owner / Respondent

HydraFacial LLC et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Order: ORDER Granting Patent Owner’s Motion to Expunge 37 C.F.R. § 42.56 ORDER

Ex. 3003 Exhibit

PO Motion to Expunge - HydraFacial-Eunsung '477 Pat. IPR2025-00453 MOTION

Decision Settlement Prior to Institution of Trial TERMINATE

Ex. 3002 Exhibit

PO Updated Exhibit List - HydraFacial-Eunsung '477 Pat. IPR2025-00453 NOTICE

Joint Request to Treat Settlement Agreement as Business Confidential - HydraFacial IPR2025-00453 MOTION

Joint Motion to Terminate - HydraFacial-Eunsung '477 Pat. IPR2025-00453 MOTION

PO's Updated Mandatory Notices - HydraFacial-Eunsung '477 Pat. IPR2025-00453 NOTICE

Director Discretionary Decision: Refer RESPONSE

Order: Granting Patent Owner's Unopposed Motion for Entry of a Modified Protective order and Granting Patent Owner's Motion to Seal - 37 CFR 42.14, 42.54 ORDER

Ex. 3001 Exhibit

CYLINDRAFlow manifolds video Exhibit

CYLINDRAFlow manifolds Brochure Exhibit

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial of Institution RESPONSE

U.S. Patent Publication No. 20100319796 Whitaker Exhibit

U.S. Pat. No. 4,156,437 to Chivens Exhibit

Sinclair Pharma Limited et al v. HydraFacial LLC f/k/a Edge Systems LLC PTAB-IPR2025-00145, Paper 12 Exhibit

HydraFacial Patent Owner Preliminary Response - HydraFacial-Eunsung '477 Pat. IPR2025-00453 (REDACTED) POPR

EX2044 - Elite is Latest HydraFacial System Advertisement Exhibit

EX2052 - Pfitzner Exhibit

EX2015 - Celluma POD Exhibit

EX2024 - Proposed Protective Order Exhibit

EX2039 - HydraFacial Rejuvenate Your “Microderm” Business Advertisement Exhibit

EX2014 - US6582442 (Simon) Exhibit

EX2032 - Hydrafacial Allegro MD IFU Revised 2023 Exhibit

EX2007 - Report and Recommendations on Plaintiff Application for PI Exhibit

EX2045 - Introducing the Brand-New HydraFacial Elite Advertisement Exhibit

EX2056 - Viscosity Chart Exhibit

EX2050 - Collins English Dictionary Exhibit

EX2038 - Introducing HydraFacial MD by Edge Systems Advertisement Exhibit

HydraFacial Discretionary Denial Brief - HydraFacial-Eunsung '477 Pat. IPR2025-00453 RESPONSE

EX2005 - Order Granting Plaintiff Motion for SJ Exhibit

EX2055 - Ermawati et al Exhibit

EX2041 - My Life My Time My Skin HydraFacial MD Advertisement Exhibit

EX2042 - Unique Patented HydraFacial MD Technology Advertisement Exhibit

EX2030 - Hydrafacial Syndeo IFU Revised 2023 Exhibit

EX2001 - Leinsing Declaration (477 Patent) Exhibit

EX2009 - (REDACTED) Vipul Savsani Declaration Exhibit

EX2049 - Bloomsbury English Dictionary Exhibit

EX2048 - Bloomsbury Dictionary of Science and Technology Exhibit

EX2008 - Order Adopting Report and Recommendation Exhibit

EX2025 - Redline to Default Protective Order Exhibit

EX2046 - Expect Everything with New HydraFacial Elite Advertisement Exhibit

EX2040 - HydraFacial Whole New Skin Advertisement Exhibit

EX2002 - Leinsing CV Exhibit

EX2053 - Trimmer Exhibit

EX2054 - Poggio et al Exhibit

EX2033 - HydraFacial MD System Owner’s Manual 2005 Exhibit

EX2036 - HydraFacial Nectre System User Manual Revised 2009 Exhibit

EX2051 - Academic Press Dictionary of Science and Technology Exhibit

EX2034 - HydraFacial Handpiece User Guide Revised 2020 Exhibit

EX2047 - Allegro System Advertisement Exhibit

EX2037 - HydraFacial Nectre System Service Manual Revised 2009 Exhibit

EX2006 - Motions Hearing Transcript Exhibit

EX2043 - HydraFacial Tower System Advertisement Exhibit

EX2031 - HydraFacial MD Elite User Guide Revised 2023 Exhibit

EX2035 - HydraFacial Nectre System Owner’s Manual Revised 2008 Exhibit

Patent Owner Motion to Seal and for Entry of a Protective Order MOTION

Notice: Extending Deadline for Discretion Briefing NOTICE

POA - HydraFacial-Eunsung '477 Pat. IPR2025-00453 NOTICE

PO's Updated Mandatory Notices - HydraFacial-Eunsung '477 Pat. IPR2025-00453 NOTICE

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE