The detailed information for PTAB case with proceeding number IPR2022-01531 filed by SynAffix B.V. against HANGZHOU DAC BIOTECH CO., LTD. on Feb 9, 2023. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2022-01531
Filing Date
Feb 9, 2023
Petitioner
SynAffix B.V.
Respondent
HANGZHOU DAC BIOTECH CO., LTD.
Status
Trial Instituted
Respondent Application Number
14432073
Respondent Tech Center
1600
Respondent Patent Number
10131682
Institution Decision Date
Aug 30, 2024

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.


Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Other: Hearing transcript

Jul 10, 2025PAPERBOARD

EXPUNGED

Jun 9, 2025PAPERPATENT OWNER

Petitioner Demonstratives

Jun 9, 2025EXHIBITPETITIONER

Petitioner Updated Exhibit List

Jun 9, 2025PAPERPETITIONER

Patent Owner's Current Exhibit List

Jun 9, 2025PAPERPATENT OWNER

Patent Owner's Demonstratives

Jun 9, 2025EXHIBITPATENT OWNER

Notice: Petitioner's LEAP request GRANTED (Jolene S. Fernandes)

Jun 6, 2025PAPERBOARD

Patent Owner's Reply ISO Motion to Exclude

May 27, 2025PAPERPATENT OWNER

Petitioner's Opposition To Patent Owner's Motion To Exclude

May 23, 2025PAPERPETITIONER

Patent Owner's Motion to Exclude Evidence

May 19, 2025PAPERPATENT OWNER

Petitioner's Sur-Sur-Reply To Patent Owner's Sur-Reply

May 16, 2025PAPERPETITIONER

Petitioner's Updated Exhibit List

May 16, 2025PAPERPETITIONER

Ex. 1089 - Axup, Synthesis of site-specific antibody-drug

May 16, 2025EXHIBITPETITIONER

Ex. 1090 - WO 2019-191728

May 16, 2025EXHIBITPETITIONER

Ex. 1091 - Deposition Transcript of Lawrence Nathan Tumey

May 16, 2025EXHIBITPETITIONER

E-mail authorizing modification of due dates

May 12, 2025EXHIBITBOARD

Petitioner's Second Notice of Deposition of Lawrence Nathan Tumey, Ph.D.

May 8, 2025PAPERPETITIONER

Order: Setting Oral Argument

May 6, 2025PAPERBOARD

Sheila Baker PhD. 4-9-2025 Deposition Transcript

May 5, 2025EXHIBITPETITIONER

Petitioner Updated Exhibit List

May 5, 2025PAPERPETITIONER

EPO Boards of Appeal Final Decision re European Counterpart to 682 Patent

May 5, 2025EXHIBITPETITIONER

E-mail authorizing entry of EPO decision and deposition transcript

Apr 29, 2025EXHIBITBOARD

Deposition of Ravi Chari

Apr 25, 2025EXHIBITPATENT OWNER

Declaration of Dr. Lawrence Nathan Tumey in Support of Patent Owner’s Sur-Reply

Apr 25, 2025EXHIBITPATENT OWNER

Patent Owner’s Sur-Reply to Petition for Inter Partes Review of U.S. Patent No. 10,131,682

Apr 25, 2025PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

Apr 21, 2025PAPERPATENT OWNER

Patent Owner's Power of Attorney

Apr 21, 2025PAPERPATENT OWNER

Petitioner And Patent Owner Joint Request for Oral Argument

Apr 18, 2025PAPERPETITIONER

Order: ORDER Conduct of the Proceeding Authorizing Filng of Additional Evidence and Briefing Declaration

Apr 4, 2025PAPERBOARD

Patent Owner's Notice of Deposition of Dr. Sheila Baker

Mar 31, 2025PAPERPATENT OWNER

Patent Owner's Second Notice of Deposition of Dr. Ravi Chari

Mar 31, 2025PAPERPATENT OWNER

Patent Owner’s Second Notice of Objections to Evidence

Mar 21, 2025PAPERPATENT OWNER

Decision Granting Rehearing in IPR2022-01531

Mar 14, 2025EXHIBITPETITIONER

Diagram of Chemical Structure

Mar 14, 2025EXHIBITPETITIONER

Diagram of Chemical Structure

Mar 14, 2025EXHIBITPETITIONER

Diagram of Chemical Structure

Mar 14, 2025EXHIBITPETITIONER

Lawrence Nathan Tumey, PhD. 2-25-2025 Deposition Transcript

Mar 14, 2025EXHIBITPETITIONER

Dondoni et al. A New Ligation Strategy for Peptide and Protein Glycosylation Photoinduced Thiol–Ene Coupling

Mar 14, 2025EXHIBITPETITIONER

Wang et al. Binding of Serum Albumin on Tumor Cells and Characterization of the Albumin Binding Protein

Mar 14, 2025EXHIBITPETITIONER

Nakamura et al. Water-soluble Taxol Conjugates with Dextran and Targets Tumor Cells by Folic Acid Immobilization

Mar 14, 2025EXHIBITPETITIONER

Lamarque et al. Copper catalyzed 1,3-dipolar cycloaddition reaction of azides with N-(2-trifluoroacetylaryl)propargylamines A mild entry to novel 1,4-disubstituted-[1,2,3]-triazole derivatives

Mar 14, 2025EXHIBITPETITIONER

Wang et al. Rapid Assembly of Matrix Metalloprotease Inhibitors Using Click Chemistry

Mar 14, 2025EXHIBITPETITIONER

Nairn et al., Development of Copper-Catalyzed Azide−Alkyne Cycloaddition for Increased in Vivo Efficacy of Interferon β‑1b by Site-Specific PEGylation

Mar 14, 2025EXHIBITPETITIONER

Meldal et al. Cu-Catalyzed Azide-Alkyne Cycloaddition Chem

Mar 14, 2025EXHIBITPETITIONER

Ponchon et al. Encapsidation and transfer of phage DNA into host cells From in vivo to single particles studies

Mar 14, 2025EXHIBITPETITIONER

Wang et al., Bioconjugation by Copper(I)-Catalyzed Azide-Alkyne [3 + 2] Cycloaddition

Mar 14, 2025EXHIBITPETITIONER

International Publication No. WO 02/087497 A2 (LI, Chun)

Mar 14, 2025EXHIBITPETITIONER

Jamur et al. Cell Fixatives for Immunostaining Chapter 8

Mar 14, 2025EXHIBITPETITIONER

Declaration Of Dr. Sheila Baker

Mar 14, 2025EXHIBITPETITIONER

European Patent Specification EP 2 922 818 B1 patent

Mar 14, 2025EXHIBITPETITIONER

EPO Board Decision

Mar 14, 2025EXHIBITPETITIONER

Auxiliary Request 6 - clean

Mar 14, 2025EXHIBITPETITIONER

Auxiliary Request 6 - redline

Mar 14, 2025EXHIBITPETITIONER

Appeal minutes

Mar 14, 2025EXHIBITPETITIONER

Yu et al. Synthesis and Biological Activities of a 3'-Azido Analogue of Doxorubicin Against Drug-Resistant Cancer Cells

Mar 14, 2025EXHIBITPETITIONER

Huang et al. Copper-free click conjugation of methotrexate to a PAMAM dendrimer platform

Mar 14, 2025EXHIBITPETITIONER

George et al. Taxol Photoaffinity Labels 2. Synthesis and Biological Evaluation

Mar 14, 2025EXHIBITPETITIONER

Reply Declaration of Dr. Ravi Chari

Mar 14, 2025EXHIBITPETITIONER

Petitioner's Updated Exhibit List

Mar 14, 2025PAPERPETITIONER

Petitioner Reply to Patent Owner Response

Mar 14, 2025PAPERPETITIONER

EXPUNGED

Feb 11, 2025PAPERPETITIONER

Petitioner’s Revised Notice of Deposition of Lawrence Nathan Tumey, Ph.D.

Feb 11, 2025PAPERPETITIONER

Ex. 2035

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2036

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2037

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2038

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2039

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2041

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2042

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2043

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2044

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2045

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2040 part 1 of 3

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2040 part 2 of 3

Dec 6, 2024EXHIBITPATENT OWNER

Ex. 2040 part 3 of 3

Dec 6, 2024EXHIBITPATENT OWNER

Patent Owner’s Response to Petition for Inter Partes Review

Dec 6, 2024PAPERPATENT OWNER

Patent Owner’s Current Exhibit List

Dec 6, 2024PAPERPATENT OWNER

Notice of Stipulation to Extend Deadlines for Due Dates 1-3

Nov 18, 2024PAPERPATENT OWNER

Patent Owner's Notice of Deposition of Dr. Ravi Chari

Nov 11, 2024PAPERPATENT OWNER

Petitioner’s Objections to Evidence

Sep 16, 2024PAPERPETITIONER

Patent Owner's Objections to Evidence

Sep 13, 2024PAPERPATENT OWNER

Institution Decision: granting institution on request for rehearing

Aug 30, 2024PAPERBOARD

Scheduling Order

Aug 30, 2024PAPERBOARD

ORDER Conduct of the Proceeding

Mar 7, 2024PAPERBOARD

Order: DECISION Granting Rehearing; Decision on Rehearing

Mar 4, 2024PAPERBOARD

PO Response to Petitioner Request for Director Review

Dec 15, 2023PAPERPATENT OWNER

Ex. 3004

Nov 22, 2023EXHIBITBOARD

Ex. 3003

Nov 22, 2023EXHIBITBOARD

Order: Providing for Briefing on Review

Nov 17, 2023PAPERBOARD

DRP Delegation Order

Nov 16, 2023PAPERBOARD

Order: DRP Identification Order

Nov 16, 2023PAPERBOARD

Ex. 3100 Director Review Request

Sep 26, 2023EXHIBITBOARD

Petitioner’s Request For Director Review

Sep 21, 2023PAPERPETITIONER

Institution Decision: DECISION Denying Institution of Inter Partes Review 35 U.S.C. § 314, 37 C.F.R. § 42.4

Aug 22, 2023PAPERBOARD

Patent Owner's Pre-Institution Response to Petitioner's Brief

Aug 3, 2023PAPERPATENT OWNER

Petitioner Brief in Response to Patent Owner's Preliminary Sur-Reply

Aug 1, 2023PAPERPETITIONER

Patent Owner's Pre-Institution Surreply

Jul 19, 2023PAPERPATENT OWNER

Petitioner's Updated Mandatory Notices

Jul 18, 2023PAPERPETITIONER

Petitioner's Updated Exhibit List

Jul 18, 2023PAPERPETITIONER

Condensed Transcript of Teleconference with Board on July 3, 2023

Jul 18, 2023EXHIBITPETITIONER

Petitioner’s Preliminary Reply To Patent Owner’s Preliminary Response

Jul 11, 2023PAPERPETITIONER

E-mail requesting reply

Jul 3, 2023EXHIBITBOARD

Order: Other

Jul 3, 2023PAPERBOARD

Patent Owner Preliminary Response

May 26, 2023PAPERPATENT OWNER

Declaration of L. Nathan Tumey, Ph.D.

May 26, 2023EXHIBITPATENT OWNER

CV of Lawrence Nathan Tumey, Ph.D.

May 26, 2023EXHIBITPATENT OWNER

Maeda, H., et al., Polymeric drugs for efficient tumor-targeted drug delivery

May 26, 2023EXHIBITPATENT OWNER

Adair, J.R., et al., Antibody–drug conjugates

May 26, 2023EXHIBITPATENT OWNER

Kovtun, Y.V., et al., Antibody-Maytansinoid Conjugates

May 26, 2023EXHIBITPATENT OWNER

Goldmacher, V., et al., Antibody–Drug Conjugates: Using Monoclonal Antibodies

May 26, 2023EXHIBITPATENT OWNER

Ducry, L., et al., Antibody-Drug Conjugates: Linking Cytotoxic Payloads

May 26, 2023EXHIBITPATENT OWNER

Carter P.J., et al., Antibody-Drug Conjugates for Cancer Therapy

May 26, 2023EXHIBITPATENT OWNER

Daugherty, A.L., et al., Formulation and Delivery Issues

May 26, 2023EXHIBITPATENT OWNER

Pappanaicken, R.K., et al., Evaluation of Ketone-Oxime Method

May 26, 2023EXHIBITPATENT OWNER

Jeffrey, S.C., et al., Expanded Utility of the β-Glucuronide Linker

May 26, 2023EXHIBITPATENT OWNER

Mather, B., et al., Michael addition

May 26, 2023EXHIBITPATENT OWNER

Lopez-Jaramillo, F., et al., Vinyl Sulfone

May 26, 2023EXHIBITPATENT OWNER

Acchione, M., et al., Impact of linker and conjugation chemistry

May 26, 2023EXHIBITPATENT OWNER

Hamblett, K., et al., Effects of Drug Loading

May 26, 2023EXHIBITPATENT OWNER

Junutula, J., et al., Site-specific conjugation

May 26, 2023EXHIBITPATENT OWNER

Casi, G., Antibody-Drug Conjugates: Basic Concepts, Examples, and Future Perspectives

May 26, 2023EXHIBITPATENT OWNER

Li, L., et al., Vinyl Sulfone Bifunctional Derivatives

May 26, 2023EXHIBITPATENT OWNER

Ballini, R., et al., Conjugate Additions

May 26, 2023EXHIBITPATENT OWNER

Gallagher, S., et al., Immunoblotting and Immunodetection

May 26, 2023EXHIBITPATENT OWNER

Springer Nature, Citation Details

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH, NFOA dated August 15, 2017

May 26, 2023EXHIBITPATENT OWNER

U.S. Patent No. 5,094,848 (Brixner)

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH, Applicant Remarks to NFOA dated August 15, 2017

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH, NFOA dated March 8, 2018

May 26, 2023EXHIBITPATENT OWNER

WO199741897 (Lees)

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH, Applicant Remarks to NFOA dated March 8, 2018

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH, FOA dated July 10, 2018

May 26, 2023EXHIBITPATENT OWNER

WO2012145112 (Fishkin)

May 26, 2023EXHIBITPATENT OWNER

Widdison, W.C., et al., Semisynthetic Maytansine Analogues

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH, Applicant Remarks to FOA dated July 10, 2018

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH, Notice of Allowance

May 26, 2023EXHIBITPATENT OWNER

682 Patent FH Reexamination, IDS Form Signed September 10, 2020

May 26, 2023EXHIBITPATENT OWNER

WO2009134976 (Singh ’976)

May 26, 2023EXHIBITPATENT OWNER

Patent Owner's Power of Attorney

May 18, 2023PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

May 18, 2023PAPERPATENT OWNER

Order

May 16, 2023PAPERBOARD

Patent Owner's Unopposed Motion to Withdraw Counsel and Substitute New Counsel

May 1, 2023PAPERPATENT OWNER

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

Feb 27, 2023PAPERBOARD

Notice : Mandatory Notice

Feb 24, 2023PAPERPATENT OWNER

U.S. Patent No. 10,131,682 (the 682 Patent)

Feb 9, 2023EXHIBITPETITIONER

Ex Parte Reexamination Certificate for the U.S. Patent No. 10,131,682

Feb 9, 2023EXHIBITPETITIONER

Unusual Binding Sites for Horseradish Peroxidase

Feb 9, 2023EXHIBITPETITIONER

International Publication No. WO 1995/013312 (Harris)

Feb 9, 2023EXHIBITPETITIONER

U.S. Patent Publication No. 2010/0129314 (Singh)

Feb 9, 2023EXHIBITPETITIONER

U.S. Patent No. 5,208,020 (Chari)

Feb 9, 2023EXHIBITPETITIONER

U.S. Patent No. US 5,414,135 (Snow)

Feb 9, 2023EXHIBITPETITIONER

U.S. Patent Application Publication No. 2011/0301334 (Bhakta)

Feb 9, 2023EXHIBITPETITIONER

Application of Strain-Promoted Azide-Alkyne Cycloaddition

Feb 9, 2023EXHIBITPETITIONER

Sulfones and Sulfoxides, Ullmann's Encyclopaedia of Industrial Chemistry

Feb 9, 2023EXHIBITPETITIONER

Synthesis and Evaluation of Hydrophilic Linkers for Antibody_Maytansinoid

Feb 9, 2023EXHIBITPETITIONER

U.S. Patent No. 6,214,345 (Firestone)

Feb 9, 2023EXHIBITPETITIONER

Prosecution History excerpts for US 10,131,682

Feb 9, 2023EXHIBITPETITIONER

Excerpts for File Wrapper of Ex Parte Reexamination No. 90/014,390

Feb 9, 2023EXHIBITPETITIONER

Scan of Morales-Sanfrutos from Linda Hall Library

Feb 9, 2023EXHIBITPETITIONER

WorldCat entry for Morales-Sanfrutos

Feb 9, 2023EXHIBITPETITIONER

Download of Morales-Sanfrutos from Linda Hall Library OPAC

Feb 9, 2023EXHIBITPETITIONER

WTS Scan of Strauss from Linda Hall Library

Feb 9, 2023EXHIBITPETITIONER

Download of Strauss from Purdue University Libraries

Feb 9, 2023EXHIBITPETITIONER

WorldCat entry for Strauss

Feb 9, 2023EXHIBITPETITIONER

Download of Linda Hall Library OPAC record for Strauss

Feb 9, 2023EXHIBITPETITIONER

WTS Scan of Thomas from Linda Hall Library

Feb 9, 2023EXHIBITPETITIONER

WorldCat entry for Thomas

Feb 9, 2023EXHIBITPETITIONER

Download of Linda Hall Library OPAC record for Thomas

Feb 9, 2023EXHIBITPETITIONER

Scan of Roy from Linda Hall Library

Feb 9, 2023EXHIBITPETITIONER

Screenshot of link to Roy via Purdue University Libraries

Feb 9, 2023EXHIBITPETITIONER

Download of Roy from Purdue University Libraries

Feb 9, 2023EXHIBITPETITIONER

WorldCat entry for Roy

Feb 9, 2023EXHIBITPETITIONER

Monographic record for Roy at Linda Hall Library

Feb 9, 2023EXHIBITPETITIONER

Scan of Zhao from National Library of Medicine

Feb 9, 2023EXHIBITPETITIONER

Download of WorldCat entry for Zhao

Feb 9, 2023EXHIBITPETITIONER

Download of National Library of Medicine OPAC record for Zhao

Feb 9, 2023EXHIBITPETITIONER

Certified translation of priority French Application No. FR 10/52589

Feb 9, 2023EXHIBITPETITIONER

International Publication No. WO2011124571

Feb 9, 2023EXHIBITPETITIONER

U.S. Patent No. 5,122,614 (Zalipsky)

Feb 9, 2023EXHIBITPETITIONER

Boja & Fales, Anal. Chem. 2001 (Boja)

Feb 9, 2023EXHIBITPETITIONER

Lewis Phillips et al., Cancer Res (2008) 68 (22)

Feb 9, 2023EXHIBITPETITIONER

Pietersz et al., Advances in Immunology Vol. 56: 301-387 (1994)

Feb 9, 2023EXHIBITPETITIONER

Trail & Bianchi, Current Opinion in Immunology 11:584–588 (1999)

Feb 9, 2023EXHIBITPETITIONER

Ghose et al., Journal of the National Cancer Institute, 657–676 (Ghose)

Feb 9, 2023EXHIBITPETITIONER

Panousis & Pietersz, Drugs & Aging 15 (1): 1-13 (1999)

Feb 9, 2023EXHIBITPETITIONER

Alley et al., Bioconjug Chem. 2008 Mar;19(3):759-65

Feb 9, 2023EXHIBITPETITIONER

SGEN Doronina Nat biotech

Feb 9, 2023EXHIBITPETITIONER

Screencapture Wayback Machine Bioconjugate Chemistry

Feb 9, 2023EXHIBITPETITIONER

Curriculum Vitae of Dr. James Mullins

Feb 9, 2023EXHIBITPETITIONER

Vinyl sulfone bifunctional tag reagents for single-point modification

Feb 9, 2023EXHIBITPETITIONER

Download of Morales-Sanfrutos from Purdue U. Libraries

Feb 9, 2023EXHIBITPETITIONER

Download of Thomas from Purdue University Libraries

Feb 9, 2023EXHIBITPETITIONER

Thomas ACS Digital Publication record

Feb 9, 2023EXHIBITPETITIONER

Declaration of Dr. James Mullins

Feb 9, 2023EXHIBITPETITIONER

Download of Zhao from Purdue University Libraries

Feb 9, 2023EXHIBITPETITIONER

Zhao ACS Digital Publication record - Screen capture

Feb 9, 2023EXHIBITPETITIONER

US Patent No. 8,236,319 (Chari-2)

Feb 9, 2023EXHIBITPETITIONER

Morales-Sanfrutos Digital Publication record

Feb 9, 2023EXHIBITPETITIONER

Roy Digital Publication Record

Feb 9, 2023EXHIBITPETITIONER

Petitioner's Power of Attorney

Feb 9, 2023PAPERPETITIONER

CV of RAVI V. J. CHARI

Feb 9, 2023EXHIBITPETITIONER

Petition For Inter Parties Review

Feb 9, 2023PAPERPETITIONER

Declaration of Dr. Ravi Chari

Feb 9, 2023EXHIBITPETITIONER