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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 DATEPATENT NO., IF ANYISSUE 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):
COUNTRYAPPLICATION NO.FILING DATEPATENT NO., IF ANYISSUE DATE, IF ANY
     
     
     
     
The claim(s) of this party corresponding to this count:
PATENTED OR PATENTABLE PENDING CLAIMSUNPATENTABLE 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 DATEPATENT NO., IF ANYISSUE 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):
COUNTRYAPPLICATION NO.FILING DATEPATENT NO., IF ANYISSUE 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 UNITTELEPHONE NO.
DATE

 

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