PTO-850 Form

Form PTO-850-(Rev. 01-10-2001)
INTERFERENCE INITIAL MEMORANDUM
Count #_______
To the Board of Patent Appeals and Interferences:

An interference is proposed involving the following ______ parties—
PARTY

 

 APPLICATION NO. FILING DATE PATENT NO., IF ANY ISSUE DATE, IF ANY
If the involved case is a patent, have its maintenance fees been paid? Yes ____ No _____ Not due yet _________
Proposed priority benefit (list all intervening applications necessary for continuity):
COUNTRY APPLICATION NO. FILING DATE PATENT NO., IF ANY ISSUE DATE, IF ANY
         
         
         
         
The claim(s) of this party corresponding to this count:
PATENTED OR PATENTABLE PENDING CLAIMS UNPATENTABLE PENDING CLAIMS
The claim(s) of this party NOT corresponding to this count:
PATENTED OR PATENTABLE PENDING CLAIMS

 

 UNPATENTABLE PENDING CLAIMS
PARTY

 

 APPLICATION NO. FILING DATE PATENT NO., IF ANY ISSUE DATE, IF ANY
If the involved case is a patent, have its maintenance fees been paid? Yes ____ No _____ Not due yet _________
Proposed priority benefit (list all intervening applications necessary for continuity):
COUNTRY APPLICATION NO. FILING DATE PATENT NO., IF ANY ISSUE DATE, IF ANY
         
         
         
         
The claim(s) of this party corresponding to this count:
PATENTED OR PATENTABLE PENDING CLAIMS

 

 UNPATENTABLE PENDING CLAIMS
The claim(s) of this party NOT corresponding to this count:
PATENTED OR PATENTABLE PENDING CLAIMS

 

 UNPATENTABLE PENDING CLAIMS
(Check off each step, if applicable) INSTRUCTIONS
  • 1. Obtain all files listed above.
  • 2. Confirm that the proposed involved claims are still active and all corrections and entered amendments have been considered. The patents must not be expired for, among other things, failure to pay a maintenance fee (Check PALM screen 2970).
  • 3. If one of the involved files is a published application or a patent, check for compliance with 35 U.S.C. 135(b).
  • 4. Obtain a certified copy of any foreign benefit documents where necessary (37 CFR 1.55(a)).
  • 5. Discuss the proposed interference with an Interference Practice Specialist in your Technology Center.
DATE

 

 PRIMARY EXAMINER (signature) ART UNIT TELEPHONE NO.
DATE

 

 INTERFERENCE PRACTICE SPECIALIST or TECHNOLOGY CENTER DIRECTOR (signature) TELEPHONE NO.
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