Google 專利 API

Google 專利 API 允許您從 Google 專利 獲取專利和學術成果。API 透過以下端點存取：/search?engine=google_patents。

API 詳情

端點GET https://serpapi.abcproxy.com/search

描述

使用者可透過 GET 請求查詢：https://serpapi.abcproxy.com/search?engine=google_patents。前往工作臺查看互動式即時演示。

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請求

HTTP 請求

cURL

curl -X GET "https://serpapi.abcproxy.com/search" \
  -d "engine=google_patents" \
  -d "q=Coffee" \
  -d "no_cache=false" \
  -d "api_key=YOUR_API_KEY"

Python

import requests

params = {
    "engine": "google_patents",
    "q": "Coffee",
    "no_cache": "false",
    "api_key": "YOUR_API_KEY"
}
response = requests.get("https://serpapi.abcproxy.com/search", params=params)
print(response.json())

Node.js

const axios = require('axios');

const params = {
  engine: "google_patents",
  q: "Coffee",
  no_cache: "false",
  api_key: "YOUR_API_KEY"
};

axios.get("https://serpapi.abcproxy.com/search", { params })
  .then(response => console.log(response.data));

HTTP

GET /search?engine=google_patents&q=Coffee&no_cache=false&api_key=YOUR_API_KEY HTTP/1.1
Host: serpapi.abcproxy.com

PHP

<?php
$client = new \GuzzleHttp\Client();
$response = $client->get('https://serpapi.abcproxy.com/search', [
    'query' => [
        'engine' => 'google_patents',
        'q' => 'Coffee',
        'no_cache' => 'false',
        'api_key' => 'YOUR_API_KEY'
    ]
]);
echo $response->getBody();

Golang

package main

import (
    "net/http"
    "io/ioutil"
    "log"
)

func main() {
    client := &http.Client{}
    req, _ := http.NewRequest("GET", "https://serpapi.abcproxy.com/search", nil)
    
    q := req.URL.Query()
    q.Add("engine", "google_patents")
    q.Add("q", "Coffee")
    q.Add("no_cache", "false")
    q.Add("api_key", "YOUR_API_KEY")
    req.URL.RawQuery = q.Encode()

    resp, _ := client.Do(req)
    body, _ := ioutil.ReadAll(resp.Body)
    log.Println(string(body))
}

C#

using System;
using System.Net.Http;

class Program
{
    static async Task Main()
    {
        var client = new HttpClient();
        var query = System.Web.HttpUtility.ParseQueryString(string.Empty);
        query["engine"] = "google_patents";
        query["q"] = "Coffee";
        query["no_cache"] = "false";
        query["api_key"] = "YOUR_API_KEY";
        
        var response = await client.GetAsync(
            $"https://serpapi.abcproxy.com/search?{query}"
        );
        Console.WriteLine(await response.Content.ReadAsStringAsync());
    }
}

Java

import java.net.*;
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        String url = "https://serpapi.abcproxy.com/search" +
            "?engine=google_patents" +
            "&q=Coffee" +
            "&no_cache=false" +
            "&api_key=YOUR_API_KEY";
        
        HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
        conn.setRequestMethod("GET");
        
        BufferedReader in = new BufferedReader(
            new InputStreamReader(conn.getInputStream())
        );
        String response = in.lines().collect(Collectors.joining());
        System.out.println(response);
    }
}

參數

搜尋查詢

名稱	類型	必填	描述	範例
q	字符串	是	定義搜尋查詢，可用分號;分隔多個術語。進階語法參考Google專利說明	(Coffee) OR (Tea)

分頁

名稱	類型	必填	描述	範例
page	整數型	否	定義頁碼	1
num	整數型	否	控制每頁結果數量	最小值：10，最大值：100

進階專利參數

名稱	類型	必填	描述	範例
sort	字符串	否	定義排序方式： new - 最新 old - 最舊	new
clustered	布爾值	否	定義結果分組方式： true - 按分類分組	-
dups	字符串	否	定義去重方式： language - 按語言	-
patents	布爾值	否	是否包含專利結果	true (預設) 或 false
scholar	布爾值	否	是否包含學術成果	true (預設) 或 false

日期範圍

名稱	類型	必填	描述	範例
before	字符串	否	最大日期，格式：類型:YYYYMMDD 類型可選：priority, filing, publication	priority:20221231
after	布爾值	否	最小日期，格式：類型:YYYYMMDD 類型可選：priority, filing, publication	publication:20230101

參與者

名稱	類型	必填	描述	範例
inventor	字符串	否	發明人列表（逗號分隔）	-
assignee	字符串	否	專利權人列表（逗號分隔）	-

進階篩選

名稱	類型	必填	描述	範例
country	字符串	否	國家代碼篩選（逗號分隔），支援國家代碼列表	WO,US
language	字符串	否	語言篩選： ENGLISH, GERMAN, CHINESE等（逗號分隔）	ENGLISH,GERMAN
status	字符串	否	狀態篩選： GRANT - 已授權 APPLICATION - 申請中	GRANT
type	字符串	否	類型篩選： PATENT - 專利 DESIGN - 設計專利	PATENT
litigation	字符串	否	訴訟狀態： YES - 有相關訴訟 NO - 無已知訴訟	NO

Serpapi 參數

名稱	類型	必填	描述	範例
engine	字符串	是	需設為 google_patents 使用專利 API	google_patents
no_cache	布爾值	否	強制重新抓取結果（即使有緩存）	true 或 false
api_key	字符串	是	SerpApi 私鑰	YOUR_API_KEY

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響應

成功 200

響應主體

{
  "code": 200,
  "search_parameters": {
    "engine": "google_patents",
    "no_cache": true,
    "api_key": "YOUR_API_KEY",
    "q": "Coffee"
  },
  "search_metadata": {
    "id": "661f912f-f2a8-4c6a-8cc2-f55697748d89",
    "json_endpoint": "https://webserp.abcproxy.com/files/9afad8b26500380c/661f912f-f2a8-4c6a-8cc2-f55697748d89.json",
    "created_at": "2025-04-09 11:36:23",
    "google_patents_url": "https://patents.google.com?oq=Coffee&q=%28Coffee%29",
    "raw_html_file": "https://webserp.abcproxy.com/files/9afad8b26500380c/661f912f-f2a8-4c6a-8cc2-f55697748d89.html",
    "xray_html_file": "https://webserp.abcproxy.com/files/9afad8b26500380c/661f912f-f2a8-4c6a-8cc2-f55697748d89.xray",
    "total_time_taken": "12.0000"
  },
  "organic_results": [
    {
      "position": 1,
      "rank": 0,
      "patent_id": "patent/US8110241B2/en",
      "patent_link": "https://patents.google.com/patent/US8110241B2/en",
      "title": "Foaming soluble coffee powder containing pressurized gas",
      "snippet": "An instant coffee powder has dried soluble coffee in the form of particles or granules having internal voids filled with entrapped pressurized gas. Advantageously, when the coffee powder is dissolved in a beverage, the instant coffee powder produces a foam on the top surface of the beverage.",
      "priority_date": "2004-08-17",
      "filing_date": "2010-04-27",
      "grant_date": "2012-02-07",
      "publication_date": "2012-02-07",
      "inventor": "Bary Lyn Zeller",
      "assignee": "Kraft Foods Global Brands Llc",
      "publication_number": "US8110241B2",
      "language": "en",
      "thumbnail": "https://patentimages.storage.googleapis.com/25/a4/3c/08a69758ca974c/US08110241-20120207-D00000.png",
      "pdf": "https://patentimages.storage.googleapis.com/86/1c/bd/89a41d9faca215/US8110241.pdf",
      "figures": [
        {
          "thumbnail": "https://patentimages.storage.googleapis.com/bc/43/8a/befe307de64c7c/US08110241-20120207-D00000.png",
          "full": "https://patentimages.storage.googleapis.com/e0/9e/10/d0a025032833eb/US08110241-20120207-D00000.png"
        },
        {
          "thumbnail": "https://patentimages.storage.googleapis.com/c1/91/68/a0fc2ab8594671/US08110241-20120207-D00001.png",
          "full": "https://patentimages.storage.googleapis.com/5d/b3/37/ccdcbe58cbac2e/US08110241-20120207-D00001.png"
        }
      ],
      "country_status": {
        "EP": "ACTIVE",
        "US": "ACTIVE",
        "AR": "UNKNOWN",
        "AT": "NOT_ACTIVE",
        ...
      }
    },
    ...
  ],
  "summary": {
    "assignee": [
      {
        "key": "Total",
        "percentage": 100.0,
        "frequency": [
          {
            "year_range": "2022-2025",
            "percentage": 0.1
          },
          {
            "year_range": "2019-2022",
            "percentage": 2.7
          },
          ...
        ]
      },
      ...
    ],
    "inventor": [
      {
        "key": "Ernesto Illy",
        "percentage": 0.6,
        "frequency": [
          {
            "year_range": "1989-1992",
            "percentage": 0.1
          },
          {
            "year_range": "1983-1986",
            "percentage": 0.1
          },
          ...
        ]
      },
      ...
    ],
    "cpc": [
      {
        "key": "A23F",
        "percentage": 19.5,
        "frequency": [
          {
            "year_range": "2022-2025",
            "percentage": 0.1
          },
          {
            "year_range": "2019-2022",
            "percentage": 0.8
          },
          ...
        ]
      },
      ...
    ]
  },
  "pagination": {
    "current": 0,
    "next": "https://patents.google.com/xhr/query?url=q%3D%2528Coffee%2529%26page%3D1"
  },
  ...
}

響應欄位

欄位	類型	描述
search_parameters	對象	包含查詢參數及搜尋上下文
search_metadata	對象	包含時間和狀態資訊
organic_results	對象數組	專利搜尋結果列表
summary	對象	專利統計摘要資訊
related_searches	對象數組	相關搜尋建議列表

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錯誤響應

常見錯誤

HTTP 狀態碼	錯誤代碼	描述
200	400	API 金鑰不可為空
200	401	參數錯誤
200	402	API 金鑰錯誤
200	403	餘額不足
200	404	扣費失敗
200	405	用量記錄失敗
200	406	不支援的引擎
200	407	網路錯誤
200	408	檔案不存在
200	429	請求過於頻繁
200	409	限制參數錯誤
200	410	URL 建構錯誤
200	411	查詢記錄失敗
200	412	找不到 JSON
200	413	獲取 HTML 錯誤
200	414	HTML 內容為空

錯誤範例

{
  "code": 400,
  "message": "API Key can not be empty"
}

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