Royalty Report: Drugs, Cancer, Biotechnology – Collection: 26153

If approved for sale by the appropriate regulatory authorities, these products will utilize the Company’s proprietary Human Carcinoma Antigen (“HCA”) and its proprietary monoclonal antibody (mAb) technology to detect, monitor and treat carcinoma.

The Company is developing products to monitor, diagnose and treat cancer in a more effective, less expensive and less invasive manner than other products currently available.

The following patents and patent applications, together with the know-how related thereto, constitute the BR96 sFV-PE40 Program:

Patent
  
Description
License Type

Number
Number

57,444
5,491,088
  
Murine monoclonal antibody BR96, chimeric BR96 and antigen binding fragments of BR96.
Exclusive

459,354

  
Recombinant BR96 molecules having the antigen binding region of murine BR96.
Exclusive

Table 2 BR96/Drug Conjugate Program

Application
Patent
  
Description
License Type

Number
Number

353,729
5,122,368
  
Linker chemistry having an acylhydrazone linkage through C13 keto group of anthracycline to nonimmunoglobulin ligand. Linker arm also includes thioether or disulfide bond.
Partially-Exclusive for Linkers

96,628

  
Acylhydrazone linkage through C13 keto group of anthracycline to immunoglobulin. Linker arm also includes thioether or disulfide bond.
Partially-Exclusive for Linkers

824,951
5,622,929
  
Anthrecycline ligand conjugates where linkage is an acylhydrazone through C13 keto position of anthracycline. Linker also contains succinimido moiety. Chemistry is used to make first generation chiBR96-Dox.
Partially-Exclusive for Linkers

08/468,162
5,606,017
  
Anthracycline intermediate having acylhydrazone linkage through C13 keto position of anthracycline and a Michael Addition Receptor. Intermediate in conjugation used to make first generation chiBR96-Dox.
Partially-Exclusive for Linkers

08/469,840

  
Process for conjugation using intermediate above with reduced immunoglobulin to increase total drug to antibody yield. Process is used to make first generation chiBR96-Dox.
Partially-Exclusive for Linkers

62,366

  
Enzyme cleavable peptide linker for making cytotoxic drug ligand conjugates. Linkers are used to make second generation BR96-Dox.
Partially-Exclusive for Linkers

57,444
5,491,088
  
Murine monoclonal antibody BR96, chimeric BR96 and antigen binding fragments of BR96.
Exclusive

77,253

  
Immunoconjugates of murine monoclonal antibody BR96, chimeric BR96 and other recombinant antigen binding fragments. Includes single chain and bispecific recombinant constructs.
Exclusive

333,840

  
Methods of treating human carcinoma by administering murine BR96, chimeric BR96 or any recombinant antigen binding construct either by itself or conjugates with various agents. Also includes diagnostic kits.
Exclusive

459,354

  
Recombinant BR96 molecules having the antigen binding region of murine BR96.
Exclusive

08/285,936

  
Mutants of BR96 which have increased binding affinity/avidity to antigen.
Exclusive

08/487,860

  
Mutants of BR96 which have increased binding affinity/avidity to antigen.
Exclusive

60/030/367

  
Branched peptide linker for linking thiol group on targeting ligand to two or more drug moieties.
Partially-Exclusive for Linkers

5,204,244
  
Production of chimeric antibodies by homologous recombination.
Non-Exclusive

5,202,238
  
Production of chimeric antibodies by homologous recombination.
Non-Exclusive

5,482,856
  
Production of chimeric antibodies by homologous recombination.
Non-Exclusive

Table 3 G28-5 SfV/Immunotixin Program

The patents and patent applications (the “Washington Patents”), together with the know-how related thereto, sublicensed under the Washington Agreement constitute the G28-5 sFv/Immunotoxin Program. [Exclusive]

Table 4 BD1 Program

The following patents and patent applications, together with the know-how related thereto, constitute the BD1 Program:

Application
Patent
Description
License Type

Number
Number

08/245,754
5,541,110
Isolated oligonucleotide sequence encoding Bryodin 1, recombinant vectors and plasmids, and transfected host cells.
Exclusive

08/597,731

Methods for the recombinant production of Bryodin 1 and Bryodin 1-ligand fusion proteins.
Exclusive

08/324,301
5,597,569
Ribosome-inactivating protein Bryodin 2 in an isolated form, linked to a ligand as a conjugate or a fusion protein, pharmaceutical compositions, nucleotide sequence, transfected host cells and recombinant production.
Exclusive

Table 5 ADEPT Program

The following patents and patent applications, together with the know-how related thereto, constitute the ADEPT Program:

Application

Number
Patent
Description
License Type

(filed 5/7/96)
Number

Recombinant L49sFv-¨ lactamase fusion proteins which recognize p97 melanoma antigen and activate-cephalosporin derivatized prodrug molecules.
Exclusive

211,301
4,975,278
Methods for delivering cytotoxic agents to tumor cells by administering an effective amount of at least one antibody-enzyme conjugate, wherein the antibody is specific for a tumor associated antigen and the enzyme converts at least one weakly cytotoxic prodrug to its corresponding cytotoxic parental form; and the administration of an effective amount of the prodrug.
Non-Exclusive

Table 6 Residual Program

The following patents and patent applications, together with the know-how related thereto, constitute the Residual Program

Application
Patent
Description
License Type

Number
Number

684,759
4,935,495
Monoclonal antibodies, Fab, F(ab1)2 or Fv fragments thereof which compete for binding with L6 to its antigen.
Partially-Exclusive for Cancer

776,321
4,906,562
Methods for detecting malignancy using L6 or other monoclonal antibodies or fragments thereof which compete with L6 for binding to its antigen.
Exclusive

523,309
5,091,177
Method for reducing population of tumor cells using L6 or monoclonal antibodies which compete for binding with L6 to its antigen.
Exclusive

443,696
5,242,824
Monoclonal antibody BR64 and antigen binding fragments thereof.
Exclusive

08/726,528

Monoclonal antibodies and recombinant antigen binding molecules which recognize the G733-1 but not G733-2 antigen. Specifically BR110.
Partially-Exclusive for Cancer

527,227
5,165,922
Method of treating breast carcinoma in an unresponsive patient by first administering monoclonal antibody L6 followed by administration of a chemotherapeutic agent.
Exclusive

5,663,158
Method for treating vascular leak syndrome.
Non-Exclusive

The Residual Program also includes antibodies L6, L49, BR64, BR110, OV578.1 and OV569.1 [Exclusive]

The Field with respect to Licensed Technology for which Licensee is granted a right and license that is partially exclusive shall be:

(i) if this Agreement indicates that such license is partially exclusive for linkers, all monoclonal antibody targeting applications; or (ii) if the agreement indicates that such license is partially exclusive for cancer, the treatment and diagnosis of cancer in humans. The Field with respect to Licensed Technology for which Licensee is granted a right and license that is non-exclusive shall be the treatment and diagnosis of cancer in humans. Notwithstanding the foregoing, the Field with respect to the G28-5 Licensed Technology shall be for the use of the antibody G28-5 fused with a toxin for the treatment of cancer in humans.