List of Abbreviations | str. 19
Bibliography | str. 23
Introduction | str. 39
Chapter I
Sales
§ 1. Seller's representation and liability under warranty or other grounds | str. 75
I. Identification of the case-problem (BGH verdict of 31.01.1962 - VIII ZR 120/60) and German law | str. 75
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 78
1. Interpretation of the assurance of a thing's properties within the meaning of the provisions of warranty for physical defects of the thing | str. 78
2. The relation between the warranty regime and the contractual liability according to general rules | str. 80
3. The relation between the warranty regime and error provisions | str. 81
§ 2. Seller's assurance regarding a thing's properties | str. 85
I. Identification of the case-problem (OLG Düsseldorf verdict of 28.04.2008 - 1 U 273/07) and German law | str. 85
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 88
1. Seller's assurance of a thing's properties and failure to comply with such assurance as the defect of the thing | str. 88
2. Relation between the seller's assurance and the general clause on a thing's non-compliance with the agreement | str. 91
3. Insignificance of a physical defect and the possibility of terminating the agreement | str. 92
4. Objective or subjective assessment of the significance of the defect | str. 94
§ 3. Passing of risk and liability under warranty | str. 95
I. Identification of the case-problem (BGH verdict of 14.06.1972 - VIII ZR 75/71) and German law | str. 95
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 98
1. What does it mean that a defect must exist at the time of passing of risk? | str. 98
2. Impossibility of selling a thing as the thing's physical defect | str. 100
§ 4. Customary properties of a thing | str. 101
I. Identification of the case-problem (BGH verdict of 04.03.2009 - VIII ZR 160/08) and German law | str. 101
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 103
1. Interpretation of "the notion of things of the same kind" for the purpose of the warranty regulation | str. 103
2. The thing's defectiveness due to the lack of suitability for customary use | str. 104
§ 5. Properties of a second-hand thing | str. 106
I. Identification of the case-problem (BGH verdict of 20.05.2009 - VIII ZR 191/07) and German law | str. 106
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 109
1. Obligations of the seller of second-hand cars with respect to the warranty for a thing's physical defects | str. 109
2. Diminishing of a thing's value, which does not influence its functionality, as the thing's physical defect | str. 111
§ 6. Seller's assurance of the properties of a second-hand thing | str. 113
I. Identification of the case-problem (OLG Coblence verdict of 01.04.2004 - 5 U 1385/03) and German law | str. 113
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 115
§ 7. Legal defects of the sold goods | str. 117
I. Identification of the case-problem (BGH verdict of 31.01.1990 - VIII ZR 314/88) and German law | str. 117
1. Differentiation of a legal defect aby selling an object and legal defects żeby selling a right | str. 119
2. Knowledge about a legal defect | str. 120
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 122
1. Regulation on warranty for legal defects in German law | str. 122
2. Regulation on warranty for legal defects in Polish law | str. 126
3. Legal defects and their features | str. 133
§ 8. Breach of quality specifications under a contract of sales | str. 147
I. Identification of the case-problem (OLG Frankfurt verdict of 28.03.2007 - 19 U 235/06) and German law | str. 147
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 150
1. Qualifying delivery of an aliud as non-performance of an obligation, ruled by Article 471 PCC - contractual liability regime (ex contractu) | str. 152
2. Qualifying the delivery of aliud as the sale of a defective good under Article 556 PCC | str. 162
3. Concurrence of provisions | str. 166
III. Resolving the German case under the CESL | str. 168
IV. Resolving the German case under the CISG | str. 170
§ 9. Burden of proving the material defect of the goods sold | str. 177
I. Identification of the case-problem (BGH verdict of 02.06.2004 - VIII ZR 329/03) and German law | str. 177
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 179
III. Resolving the German case under the CESL | str. 184
IV. Resolving the German case under the CISG | str. 186
§ 10. Price reduction, exchange or repair of a defective good | str. 189
I. Identification of the case-problem (BGH verdict of 09.01.2008 - VIII ZR 210/06) and German law | str. 189
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 192
1. Is the good sold defective or not? | str. 192
2. What is the impact of a fraudulently concealed defect in the contract? | str. 195
3. Is the buyer entitled to ask for a price reduction or the termination of the contract without giving the seller time to cure the defect? | str. 196
III. Resolving the German case under the CISG and CESL | str. 198
§ 11. Standards of performing warranty rights żeby the buyer | str. 200
I. Identification of the case-problem (BGH verdict of 23.01.2008 - VIII ZR 246/06) and German law | str. 200
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 201
III. Resolving the German case under the CISG and CESL | str. 203
§ 12. The right to terminate a contract in case of repair of defective goods | str. 205
I. Identification of the case-problem (OLG Saarbrücken verdict of 29.05.2008 - 8 U 494/07) and German law | str. 205
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 207
III. Resolving the German case under the CISG and CESL | str. 210
§ 13. Demanding delivery of a new thing | str. 211
I. Identification of the case-problem (OLG Braunschweig verdict of 04.02.2003 - 8 W 83/02) and German law | str. 211
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 212
1. Demand for the delivery of a new car | str. 212
2. Estimation of the costs | str. 213
III. Resolving the German case under the CISG and CESL | str. 213
§ 14. Replacement of installed defective consumer goods | str. 215
I. Identification of the case-problem (BGH verdict of 21.12.2011 - VIII ZR 70/08) and German law | str. 215
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 217
III. Resolving the German case under the CISG and CESL | str. 217
§ 15. Termination of a contract due to defects of the sold good | str. 218
I. Identification of the case-problem (BGH verdict of 22.06.2005 - VIII ZR 1/05) and German law | str. 218
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 220
III. Resolving the German case under the CISG and CESL | str. 222
§ 16. Insignificant defect in a sold good and the right to terminate the contract | str. 223
I. Identification of the case-problem (BGH verdict of 24.03.2006 - V ZR 173/05) and German law | str. 223
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 224
III. Resolving the German case under the CISG and CESL | str. 225
§ 17. Assessing insignificance of defects of the sold good | str. 226
I. Identification of the case-problem (BGH verdict of 05.11.2008 - VIII ZR 166/07) and German law | str. 226
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 228
III. Resolving the German case under the CISG and CESL | str. 228
§ 18. Claim for damages resulting from the termination of a contract | str. 229
I. Identification of the case-problem (BGH verdict of 20.07.2005 - VIII ZR 275/04) and German law | str. 230
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 235
§ 19. Prerequisites for the awareness of legal defects | str. 241
I. Identification of the case-problem (BGH verdict of 20.12.1978 - VIII ZR 114/77) and German law | str. 241
1. Liability for the legal defect on comparative grounds - the "moment of awareness" | str. 244
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 248
III. Resolving the German case under the CISG | str. 252
1. Applicability of Article 42 CISG | str. 259
§ 20. Exclusion of the warranty - new defects after the conclusion of a contract | str. 263
I. Identification of the case-problem (BGH verdict of 24.01.2003 - V ZR 248/02) and German law | str. 263
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 264
III. Resolving the German case under the CISG and CESL | str. 267
§ 21. Liability under implied warranty for physical defects that existed before transferring the risk | str. 269
I. Identification of the case-problem (BGH verdict of 10.03.1995 - V ZR 7/94) and German law | str. 269
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 271
III. Resolving the German case under the CISG and CESL | str. 274
§ 22. Avoidance of a contract of sale of real estate because of a mistake | str. 275
I. Identification of the case-problem (BGH verdict of 14.12.1960 - V ZR 40/60) and German law | str. 275
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 277
III. Resolving the German case under the CISG and CESL | str. 280
§ 23. Mistake in the authorship of a sold painting | str. 283
I. Identification of the case-problem (BGH verdict of 08.06.1988 - VIII ZR 135/87) and German law | str. 283
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 285
III. Resolving the German case under the CISG and CESL | str. 288
§ 24. No withdrawal of an offer at auction on the Internet | str. 292
I. Identification of the case-problem (OLG Oldenburg verdict of 18.07.2005 - 8 U 93/05) and German law | str. 292
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 293
III. Resolving the German case under the CISG and CESL | str. 296
§ 25. Substitute performance aby the sale of goods in specie | str. 297
I. Identification of the case-problem (BGH verdict of 07.06.2006 - VIII ZR 209/05) and German law | str. 297
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 298
III. Resolving the German case under the CISG and CESL | str. 300
§ 26. Withdrawal from a sale contract under provisions relating to culpa in contrahendo | str. 301
I. Identification of the case-problem (OLG Hamm verdict of 13.05.2003 - 28 U 150/02) and German law | str. 301
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 302
III. Resolving the German case under the CISG and CESL | str. 305
§ 27. Terms and conditions of sale between building market wholesalers and suppliers (development of the provisions of limitation) | str. 307
I. Identification of the case-problem (BGH verdict of 05.10.2005 - VIII ZR 16/05) and German law | str. 307
II. Consideration of the problems presented in the German case and their comparison with Polish law | str. 309
III. Resolving the German case under the CISG and CESL | str. 311
Chapter II
Contract of work
§ 28. Customer's acceptance or renouncement of the work and the contractor's remuneration | str. 315
I. Identification of the case-problem (OLG Köln verdict of 17.03.2003 - 19 U 97/02) and German law | str. 315
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 316
§ 29. Contractor's remuneration in the event of damage to the work due to the customer | str. 321
I. Identification of the case-problem (BGH verdict of 11.07.1963 - VII ZR 43/62) and German law | str. 321
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 323
§ 30. Impaired utility of the work due to improper performance | str. 328
I. Identification of the case-problem (BGH verdict of 09.01.2003 - VII ZR 181/00) and German law | str. 328
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 330
Chapter III
Donation
§ 31. Legal nature of donation as gratuitous contract | str. 337
I. Identification of the case-problem (BGH verdict of 28.05.2009 - Xa ZR 9/08) and German law | str. 337
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 340
§ 32. Between a loan and a donation - dilemmas over classification | str. 355
I. Identification of the case-problem (OLG Stuttgart verdict of 21.03.1986 - 2 U 181/85) and German law | str. 355
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 358
Chapter IV
Remedies
§ 33. Compensation for defect-related damages not depending on the prerequisites of default | str. 379
I. Identification of the case-problem (BGH verdict of 19.06.2009 - V ZR 93/08) and German law | str. 380
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 381
III. Resolving the German case under the CISG and CESL | str. 383
§ 34. Requirements for an assurance of authenticity in the trade of artwork (Edward Burra) | str. 385
I. Identification of the case-problem (BGH verdict of 15.02.1995 - VIII ZR 126/94) and German law | str. 385
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 387
III. Resolving the German case under the CISG and CESL | str. 392
§ 35. Time and limitation period for a disproportionality defence | str. 393
I. Identification of the case-problem (BGH verdict of 28.11.2007 - VIII ZR 16/07) and German law | str. 393
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 394
III. Resolving the German case under the CISG and CESL | str. 397
§ 36. Time and substantial limits for the defence of disproportionality | str. 398
I. Identification of the case-problem (OLG Celle verdict of 28.06.2006 - 7 U 235/05) and German law | str. 398
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 400
III. Resolving the German case under the CISG and CESL | str. 403
§ 37. Recovery of costs for legal services | str. 404
I. Identification of the case-problem (BGH verdict of 29.11.2006 - VIII ZR 92/06) and German law | str. 404
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 405
III. Resolving the German case under the CISG and CESL | str. 406
Chapter V
Contract terms
§ 38. Exclusion of liability in the general terms and conditions | str. 409
I. Identification of the case-problem (BGH verdict of 10.10.1977 - VIII ZR 110/76) and German law | str. 409
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 411
III. Resolving the German case under the CISG and CESL | str. 416
§ 39. Notarial deed used three times as a kanon contract | str. 417
I. Identification of the case-problem (BGH verdict of 27.09.2001 - VII ZR 388/00) and German law | str. 417
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 418
III. Resolving the German case under the CISG and CESL | str. 422
§ 40. Mistakes in the product catalogue | str. 424
I. Identification of the case-problem (BGH verdict of 04.02.2009 - VIII ZR 32/08) and German law | str. 424
II. Consideration of the problem presented in the German case and its comparison with Polish law | str. 426
III. Resolving the German case under the CISG and CESL | str. 428