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https://www.epo.org/en/node/t850115ex1
  1. Home
  2. T 0115/85 (Computer-related invention) 05-09-1988
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T 0115/85 (Computer-related invention) 05-09-1988

European Case Law Identifier
ECLI:EP:BA:1988:T011585.19880905
Date of decision
05 September 1988
Case number
T 0115/85
Petition for review of
-
Application number
81108567.9
IPC class
G06F 15/20
Language of proceedings
EN
Distribution
PUBLISHED IN THE EPO'S OFFICIAL JOURNAL (A)

Download and more information:

Decision in EN 324.03 KB
Documentation of the appeal procedure can be found in the European Patent Register
Bibliographic information is available in:
EN
Versions
Oj
Published
Application title
-
Applicant name
IBM
Opponent name
-
Board
3.5.01
Headnote

1. Giving visual indications automatically about conditions prevailing in an apparatus or system is basically a technical problem.

2. Even if the basic idea underlying an invention may be considered to reside in a computer program a claim directed to its use in the solution of a technical problem cannot be regarded as seeking protection for the program as such within the meaning of Article 52(2)(c) and (3) EPC.

Relevant legal provisions
European Patent Convention Art 52(2)(c) 1973
European Patent Convention Art 52(3) 1973
Keywords

Patentable subject matter (yes)

Computer program

Catchword
-
Cited decisions
-
Citing decisions
T 0489/14
T 1173/97
T 0475/00
T 0125/04
T 1161/04
T 0365/05
T 0717/05
T 1567/05
T 0756/06
T 0050/07
T 0528/07
T 0726/07
T 1670/07
T 1793/07
T 2045/10
T 1734/11
T 2001/11
T 2276/13
T 0336/14
T 0489/14
T 0489/14
T 2021/17
T 2084/18
T 2841/19
T 0297/20
T 1910/20
T 0666/91
T 0833/91
T 0980/92
T 0953/94
T 0935/97
T 1173/97
T 1173/97
T 0619/98
T 0570/20
T 1439/20
T 1746/11
T 0489/14
T 0670/16
T 0107/87
T 1173/97

I. European patent application No. 81 108 567.9 filed on 20 October 1981 (Publication No. 52757), claiming priority of 20 November 1980 (US) was refused by a decision of the Examining Division 065 of the EPO dated 23 November 1984. That decision was based on Claims 1-8 filed on 24 December 1983.

II. These claims relate to a method of decoding stored phrases and obtaining a read-out of events in a text processing system, this method using a message build program.

III. The reason given for the refusal was that the sole contribution to the art in the subject-matter of Claim 1, as interpreted in the light of the application documents as a whole, resides in a program for a computer as such within the meaning of Article 52(2)(c) and (3) EPC, and consequently that Claim 1 does not relate to a patentable invention within the meaning of Article 52(1) EPC. In arriving at this conclusion the Examining Division considered that it was clear from the description and drawings that the only hardware required for implementing the subject-matter of Claim 1 is that of a classical text processinhe Examining Division considered that it was clear from the description and drawings that the only hardware required for implementing the subject-matter of Claim 1 is that of a classical text processing system. There is no disclosure of an embodiment comprising specifically designed hardware and no suggestion that such an embodiment is envisaged. It seemed, moreover, that the program routines, which are stored in random access memory are used in a conventional manner for to, or new uses of the hardware were implied by the implementation of the claimed method.

IV. The Appellant lodged an appeal against this decision on 1 February 1985. The appeal fee was paid on the same date. The statement of Grounds was filed on 29 March 1985.

V. In the Statement of Grounds the Appellant argued essentially as follows: Neither Claim 1 nor the dependent claims relate to a computer program in the sense of a set of instructions but rather to a new method of operating a text processing system. Moreover, hardware elements included in the preamble of Claim 1 are required for the implementation of the new method which forms the characterising part of Claim 1. Even if this method were assimilated to a program, the claims could not be refused since Article 52(2)(c) EPC excludes programs from patentability only to the extent to which the invention relates to a program as such (Article 52(3) EPC). The claimed method defines an unconventional way of operating the hardware elements. Such a way based upon an original memory organisation results in a new functional relationship or combination of the hardware elements. It is clear that the skilled man will be able to implement the invention as a special device in logic circuits. The same man, who has nowadays the knowledge in programming, will also be able to implement the invention as a program by using the teachings of the description. Besides, even though the current trend is in favour of software implementation instead of logic circuitry, the skilled person may well decide to carry out the invention by mixing logic circuits and software.

VI. In a communication dated 15 September 1987 the Rapporteur informed the Appellant that in the provisional opinion of the Board the valid claim essentially sought protection for a method for performing a mental act (i.e. decoding stored phrases) expressed in the form of a computer program. Its subject-matter, therefore, was excluded from patentability under Article 52(2)(c) and (3) EPC and could not become patentable merely because some technical means were mentioned in the claim. It was observed, however, that the application in effect concerned a method for displaying one of a set of predetermined messages, each such message indicating a specific event which may occur in the input/output device of a text processing system and that such a method was basically concerned with a technical problem.

VII. In his reply of 31 October 1987 the Appellant did not dispute the Board's provisional opinion. He submitted a set of amended Claims 1-8, and requested the grant of a European patent on the basis of these claims. Claim 1 reads as follows:

1. Method for displaying one of a set of predetermined messages comprising a phrase made up of a number of words, each such message indicating a specific event which may occur in the input/output device (1), in a text processing system comprising furthermore a processor (2), a keyboard (6), a display (8) and a memory (4); said method comprising the following steps : upon receiving a message of event from said input/output device (1), said processor (2) calls into operation a message build program (52) stored in the memory (4) said message build program outputs a message number to a message frame index table (56) stored in the memory (4) to obtain therefrom an appropriate pointer into a phrase table (57) stored in the memory (4), upon receiving the message from said message index table, the phrase table pointer is advanced to the next pointer and the first pointer position is substracted from the second pointer position to obtain the number of bits included in the phrase, the bits making up said phrase are compared with a decode table (58) stored in the memory (4) comprising words coded and ordered on a byte value/frequency of use basis, until a match is found thereby providing a word pointer, the word pointer is provided to a word table (59) stored in the memory (4) containing words encoded on a user basis to define the beginning of a word to be displayed which is transferred to an output buffer, and the contents of said output buffer are displayed when a test determines that the end of the phrase has been reached.

1. The appeal complies with Article 106 to 108 and Rule 64 EPC and is, therefore, admissible.

2. The present application in effect concerns a method for displaying one of a set of predetermined messages comprising a phrase made up of a number of words, each such message indicating a specific event which may occur in the input/output device of a text processing system which comprises furthermore a processor, a keyboard, a display and a memory.

3. For carrying out this method in practice there must be present a means for detecting these events and a means for visually presenting an indication (message) relating to the specific event detected. In between means are required for transforming the information that a specific event has occurred into information having a suitable form to be displayed.

4. In the present application the information is displayed in the form of one of a number of predetermined phrases which are stored in coded form in a memory (phrase table). The particular phrase to be displayed is then built up under program control from a fixed collection of words stored in a word table.

5. The Examining Division has held in its decision that the claims before it related to a computer program as such, as this was the sole new contribution to the art. 6.The issue to be decided in the present appeal is therefore whether the subject-matter to which the claims in their present amended form relate is excluded from patentability under Article 52(2)(c) and (3) EPC.

7. Generally the Board takes the view that giving visual indications automatically about conditions prevailing in an apparatus or system is basically a technical problem.

8. The application proposes a solution to a specific problem of this kind namely providing a visual indication about events occurring in the input/output device of a text processor. The solution includes the use of a computer program and certain tables stored in a memory to build up the phrases to be displayed.

9. Even if the basic idea underlying the present invention might be considered to reside in that computer program and the way the tables are structured, a claim directed to its use in the solution of a technical problem cannot be regarded in the Board's opinion as seeking protection for the program as such within the meaning of Article 52(2)(c) and (3) EPC.

10. As stated by this Board already in its decision in case T 208/84 (OJ EPO 1987, 14-23) an invention which would be patentable in accordance with conventional patentability criteria should not be excluded from protection by the mere fact that for its implementation modern technical means in the form of a computer program are used. However, in this context it appears useful to the present Board to observe that it does not follow from this statement that conversely a computer program can under all circumstances be considered as constituting a technical means.

11. The claims presently on file are phrased in functional terms. These must be understood as referring to the technical means necessary for carrying out the functions (including an appropriate program). No objections can be made against such claims in this respect so long as the person skilled in the art can understand from the description and/or from his general knowledge in the field which means are required (cf. also decisions in cases T 68/85 (OJ EPO 1987, 228-236) and T 208/84 (OJ EPO 1987, 14-23)).

12. For the foregoing reasons the Board has come to the conclusion that the subject-matter of the present Claim 1 is not barred from protection by Article 52(2)(c) and (3) EPC.

13. The Examining Division has limited its examination of the application to the allowability of the claims under Article 52(2)(c) and (3) EPC. Accordingly, the Board has only decided on this question and deems it appropriate to remit the case to the Examining Division for examination of all further requirements of the EPC to be fulfilled.

Order

ORDER

For these reasons, it is decided that:

1.The decision under appeal is set aside.

2. The case is remitted to the Examining Division for continuation of the examination.

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