Books:

• 唐曉晴、蘇建峰、吳奇琦編著：《民法一般論題與澳門民法典總則》，下冊，北京：社會科學文獻出版社、澳門：澳門基金會出版，2020
  Tong Io Cheng, Sou Kin Fong, Ng Kei Kei, General Discourses of Civil Law and the General Part of the Macau Civil Code, Vol. II, Beijing: Social Sciences Academic Press and Macau: Fundação Macau, 2020

Book Chapters:

• 唐曉晴編著：《民法一般論題與澳門民法典總則》，上冊，北京：社會科學文獻出版社、澳門：澳門基金會出版，2015
  第167至192頁（法律關係）、第198至227頁（權利義務）、第228至250頁（人、物與財產）、第271至276頁（法律事實與情誼行為）
  Tong Io Cheng (ed.), General Discourses of Civil Law and the General Part of the Macau Civil Code, Vol. I, Beijing: Social Sciences Academic Press and Macau: Fundação Macau, 2015
  pp. 167-192 (Legal Relations), 198-227 (Rights and Obligations), 228-250 (Persons, Things and Patrimony), 271-276 (Legal Facts and Gefälligkeiten)

Works of Translation:

• （葡）曼努埃爾•德•安德拉德著，吳奇琦譯，《法律關係總論》，第二卷，北京：法律出版社，2018，共513頁
  Manuel de Andrade, Teoria Geral da Relação Jurídica, Vol. II, translated by Ng Kei Kei from Portuguese, Beijing: Law Press China, 2018, 513 pages
• （葡）曼努埃爾•德•安德拉德著，吳奇琦譯，《法律關係總論》，第一卷，北京：法律出版社，2015，共305頁
  Manuel de Andrade, Teoria Geral da Relação Jurídica, Vol. I, translated by Ng Kei Kei from Portuguese, Beijing: Law Press China, 2015, 305 pages
• （葡）安圖內斯．瓦雷拉著，馬哲、陳淦添、吳奇琦、唐曉晴譯，《債法總論》，第二卷，北京：社會科學文獻出版社、澳門：澳門大學，2020，共403頁
  João de Mato Antunes Varela, Das Obrigações em Geral, Vol. II, translated by Ma Zhe, Chan Kam Tim, Ng Kei Kei & Tong Io Cheng, from Portuguese, Beijing: Law Press China; Macau: University of Macau, 2020, 403 pages

Articles:

• 吳奇琦：《古羅馬拉丁文著述中的substantia（本體）與essentia（本質）：以亞里士多德哲學被古羅馬繼受的初期為考察對象》，載麥克雷（Michele Ferrero）主編，北京外國語大學拉丁語言文化中心《拉丁語言文化研究》第11輯，2023，第196至210頁
  Ng Kei Kei, Substantia and Essentia in Ancient Roman Latin Writings during the Initial Reception of Aristotelianism in Ancient Rome, in: Michele Ferrero (ed.), Journal of Latin Language and Culture, n. 10, Centre for Latin Language and Culture, Beijing Foreign Studies University, 2023, pp. 196 – 210
• 吳奇琦：《內特爾布拉特（Nettelbladt）論權利與義務的概念》，載麥克雷（Michele Ferrero）主編，北京外國語大學拉丁語言文化中心《拉丁語言文化研究》第11輯，2023，第24至30頁
  Ng Kei Kei, Nettelbladt on the Concepts of Right and Obligation, in: Michele Ferrero (ed.), Journal of Latin Language and Culture, n. 10, Centre for Latin Language and Culture, Beijing Foreign Studies University, 2023, pp. 24 – 30
• 矢沢久純、呉奇琦：《姓名に対する制限に関する諸外国の議論の状況（２）──特に漢字圏諸国・地区における議論を中心に──》，載日本北九州市立大学《法政論集》第50巻第3・4合併号（2023 年3 月），第71至80頁
  Yazawa Hisazumi & Ng Kei Kei, Study on the Regulation of the Naming Right in the Chinese Character Cultural Sphere (2), in: Journal of Law and Political Science (KITAKYUSHU SHIRITSU DAIGAKU HOU-SEI RONSHU), Vol. 50, No. 3/4, March 2023, University of Kitakyushu, Japan, pp. 71 – 80
• 矢沢久純、呉奇琦：《姓名に対する制限に関する諸外国の議論の状況（１）──特に漢字圏諸国・地区における議論を中心に──》，載日本北九州市立大学《法政論集》第50巻第1・2合併号（2022 年10 月），第89至104頁
  Yazawa Hisazumi & Ng Kei Kei, Study on the Regulation of the Naming Right in the Chinese Character Cultural Sphere (1), in: Journal of Law and Political Science (KITAKYUSHU SHIRITSU DAIGAKU HOU-SEI RONSHU), Vol. 50, No. 1/2, October 2022, University of Kitakyushu, Japan, pp. 89 – 104
• 吳奇琦：《普塔法學方法論的“秩序”觀念：德國18世紀法學的新嘗試》，載《中德私法研究》第20卷，北京大學出版社，2021，第177至203頁（CSSCI）
  Ng Kei Kei, Der Ordnungsgedanke in Pütters Rechtsmethodik: Ein neuer Versuch der deutschen Rechtswissenschaft des 18. Jahrhunderts, in Archiv für chinesisch-deutsches Privatrecht, 20, Peking University Press, 2021, S. 177 – S. 203 (CSSCI)
• 唐曉晴、吳奇琦：《澳門地區民法上個人信息保護權的體系定位》，載《國家檢察官學院學報》2021年第5期（第29卷、總第155期），第75至88頁（CSSCI）
  獲中國「人大複印資料」轉載
  Tong Io Cheng & Ng Kei Kei, The Systematic Integration of Right to Personal Data Protection in Macau Civil Law, in Journal of National Prosecutors College, 2021 (5) (Vol. 29, № 155), pp. 75 – 88 (CSSCI)
  Selected as China Social Science Excellence by Renmin University of China
• 吳奇琦：《法律行為三元素（要素、常素、偶素）理論的誕生發展史》，載《交大法學》2020年第2期，第32至61頁（CSSCI）
  Ng Kei Kei, The Origin and Development of the Trichotomy of Essentialia, Naturalia and Accidentialia Negotii, in SJTU Law Review, 2020 (2), pp. 32-61 (CSSCI)
• 吳奇琦：《現代法上主體客體理論的發展、困境與出路：哲學的新路，法學的迷路？》，載《澳門法學》2020年第1期（總第42期），第142至161頁
  Ng Kei Kei, The Development, Difficulties and Solution of the “Subject-Object Dualism” in Modern Law: Law lost its way while Philosophy had a new way?,  in Macau Law Review, 2020 (1) (n.º 42), pp. 142 – 161
• 吳奇琦，《澳門民法典中文版意思表示瑕疵制度若干譯語商榷：論erro-vício（瑕疵錯誤）、invalidado（非有效）、simulação fraudulenta（詐害虛偽）、falta de consciência de declaração（欠缺表示意識）、vontade da acção（行動意思）、culpa grosseira（重大過失）、elemento（元素） 的漢譯錯訛， 兼評諸條文其他翻譯問題》，載於《澳門立法與司法見解評論》，第一期，2015，第2頁至第28頁
  Ng Kei Kei, On the Chinese Translations of the regime “Vices of Declaration of Will” (Vícios da Declaração de Vontade) in Macau Civil Code: The Wrong Translations of erro-vício（瑕疵錯誤）, invalidado（非有效）, simulação fraudulenta（詐害虛偽）, falta de consciência de declaração（欠缺表示意識）, vontade da acção（行動意思）, culpa grosseira（重大過失）and elemento（元素）, and other translation problems, in Revista de Legislação e de Jurisprudência de Macau, Associação de estudos de Legislação e de Jurisprudência de Macau, n. 1, 2015, pp. 2-28
• 吳奇琦，《結婚是合同嗎？──從羅馬法、教會法到近代世俗法》，載於《「羅馬法系與澳門：連接歐洲大陸、中國、拉美的固有法和共同法的平台」研討會論文集》，澳門大學，2013，第59至105頁
  Ng Kei Kei, Is Marriage a Contract? in Roman Law, Canon Law and Modern Secular Law, in O Sistema Jurídico Romanístico e Macau: Plataforma entre Direito Próprio e Direito Comum entre China, Europa Continental e América Latina, University of Macau, 2013, pp. 59-105
• 吳奇琦，《論訴權與實體權利的合一與分流──從羅馬法的Actio開始直至近代的路徑追問》，載於《北方法學》2013年第1期，第11至20頁（CSSCI）
  Ng Kei Kei, On the Integration and Separation between Right of Action and Substantive Right – An Investigation into the Development Route till Modern Times from Roman Actio, in Bei Fang Fa Xue (Northern Legal Science), no 1, 2013, pp. 11-20 (CSSCI)

Conferences Proceedings:

• 「二零一四年兩岸四地民法論壇──第12屆民法典學術研討會：21世紀民法新思維」，由台灣東吳大學法學院與大陸中國民法學研究會、中國人民大學民商事法律科學研究中心合辦，2014年9月16日及17日，台灣東吳大學
  發表論文：吳奇琦，《法律行為「要素、常素、偶素」理論：誕生發展史與方法論缺失》，並載於研討會論文集（2014. 9. 16，場地B）
  “the Cross-Strait Four-Regions Civil Law Forum 2014- the 12th Cross-Strait Conference on Civil Code: Innovative Thinking in Civil Law in the 21th Century”, co-organized by Faculty of Law of Taiwan Soochow University, Chinese Civil Law Academic Association, Center for the Study of Civil Law and Commercial Law of Renmin University of China, 16-17/9/2014, Taiwan Soochow University
  paper delivered: Ng Kei Kei, The Trichotomy of Essentialia, Naturalia and Accidentialia Negotii: Origin, Development and Methodological Shortcomings, included in collection of essays (2014. 9. 16, Venue B)
• 「羅馬法系與澳門：連接歐洲大陸、中國、拉美的固有法和共同法的平台」研討會，由澳門大學（高級法律研究所）、澳門基金會、湖南大學及意大利國家科研委員會下屬「羅馬法框架下中國法典編纂與法學家培養觀測站」合辦，2013年11月6日至7日，澳門大學
  發表論文：吳奇琦，《結婚是合同嗎？──從羅馬法、教會法到近代世俗法》，並載於研討會論文集（第59至105頁）
  “O Sistema Jurídico Romanístico e Macau: Plataforma entre Direito Próprio e Direito Comum entre China, Europa Continental e América Latina” , co-organized by Universidade de Macau (Instituto de Estudos Jurídicos Avançados), Fundação Macau, Universidade de Hunan, Observatório sobre a Codificação e a Formação de Juristas na China no Âmbito do Direito Romano, 6-7/11/2013, Universidade de Macau
  paper delivered: Ng Kei Kei, Is Marriage a Contract? in Roman Law, Canon Law and Modern Secular Law, included in the collection of essays (pp. 59-105)