jpo/explore_jpo_data.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Obtaining application / publication numbers from the Japan Patent Office\n",
    "\n",
    "**Version**: Dec 17 2020\n",
    "\n",
    "Data acquisition using Selenium and Python."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from selenium import webdriver\n",
    "from selenium.webdriver.chrome.options import Options\n",
    "from selenium.common.exceptions import NoSuchElementException"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "# set chrome options\n",
    "chrome_options = Options()\n",
    "chrome_options.add_argument('--headless')\n",
    "chrome_options.add_argument('--no-sandbox')\n",
    "chrome_options.add_argument('--disable-dev-shm-usage')\n",
    "\n",
    "# create a chrome webdriver\n",
    "driver = webdriver.Chrome('/usr/bin/chromedriver', options=chrome_options)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Navigate to the Japan Patent Office search page."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "driver.get(\"https://www.j-platpat.inpit.go.jp/p0000\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Change the language from Japanese to English."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Japanese\n"
     ]
    }
   ],
   "source": [
    "# click on the English link and make sure language changed\n",
    "driver.find_element_by_link_text(\"English\").click()\n",
    "language_elem = driver.find_element_by_id(\"cfc001_header_lnkLangChange\")\n",
    "print(language_elem.text)\n",
    "if language_elem.text != \"Japanese\":\n",
    "    print(\"error in changing language from Japanese to English\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Try to select on the \"Number type\" drop-down menu.\n",
    "\n",
    "I first tried this using the Selenium `Select` object, but this webpage uses `<mat-select>` tags which is incompatible."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "ename": "UnexpectedTagNameException",
     "evalue": "Message: Select only works on <select> elements, not on <mat-select>\n",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mUnexpectedTagNameException\u001b[0m                Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-5-93696a5b1d06>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;32mfrom\u001b[0m \u001b[0mselenium\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mwebdriver\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msupport\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mui\u001b[0m \u001b[0;32mimport\u001b[0m \u001b[0mSelect\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      2\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m \u001b[0mselect\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mSelect\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mdriver\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfind_element_by_id\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"p00_srchCondtn_selDocNoInputType0\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      4\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      5\u001b[0m \u001b[0;31m# select by visible text\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/home/vlim/local/miniconda3/envs/patents/lib/python3.6/site-packages/selenium/webdriver/support/select.py\u001b[0m in \u001b[0;36m__init__\u001b[0;34m(self, webelement)\u001b[0m\n\u001b[1;32m     37\u001b[0m             raise UnexpectedTagNameException(\n\u001b[1;32m     38\u001b[0m                 \u001b[0;34m\"Select only works on <select> elements, not on <%s>\"\u001b[0m \u001b[0;34m%\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 39\u001b[0;31m                 webelement.tag_name)\n\u001b[0m\u001b[1;32m     40\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_el\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mwebelement\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     41\u001b[0m         \u001b[0mmulti\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_el\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget_attribute\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"multiple\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mUnexpectedTagNameException\u001b[0m: Message: Select only works on <select> elements, not on <mat-select>\n"
     ]
    }
   ],
   "source": [
    "from selenium.webdriver.support.ui import Select\n",
    "\n",
    "select = Select(driver.find_element_by_id(\"p00_srchCondtn_selDocNoInputType0\"))\n",
    "\n",
    "# select by visible text\n",
    "select.select_by_visible_text('Patent application number')\n",
    "\n",
    "# select by value \n",
    "select.select_by_value('1')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Click on the drop-down arrow on the \"Number type\" menu."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "driver.find_element_by_xpath('//*[@id=\"p00_srchCondtn_selDocNoInputType0\"]/div/div[2]').click()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Check what the \"Number type\" value is. \n",
    "If the request type is the same as this value, we don't need to alter it."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Patent application number'"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "inputElement = driver.find_element_by_id(\"p00_srchCondtn_selDocNoInputType0\")\n",
    "inputElement.text"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Let's try to click on another option for publication number.\n",
    "This approach, looking for the element by its xpath, doesn't seem to work."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "ename": "NoSuchElementException",
     "evalue": "Message: no such element: Unable to locate element: {\"method\":\"xpath\",\"selector\":\"//*[@id=\"mat-option-13\"]/span\"}\n  (Session info: headless chrome=87.0.4280.88)\n",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mNoSuchElementException\u001b[0m                    Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-8-05167e053836>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mdriver\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfind_element_by_xpath\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'//*[@id=\"mat-option-13\"]/span'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mclick\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;32m/home/vlim/local/miniconda3/envs/patents/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py\u001b[0m in \u001b[0;36mfind_element_by_xpath\u001b[0;34m(self, xpath)\u001b[0m\n\u001b[1;32m    392\u001b[0m             \u001b[0melement\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mdriver\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfind_element_by_xpath\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'//div/td[1]'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    393\u001b[0m         \"\"\"\n\u001b[0;32m--> 394\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfind_element\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mby\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mBy\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mXPATH\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mvalue\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mxpath\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    395\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    396\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0mfind_elements_by_xpath\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mxpath\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/home/vlim/local/miniconda3/envs/patents/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py\u001b[0m in \u001b[0;36mfind_element\u001b[0;34m(self, by, value)\u001b[0m\n\u001b[1;32m    976\u001b[0m         return self.execute(Command.FIND_ELEMENT, {\n\u001b[1;32m    977\u001b[0m             \u001b[0;34m'using'\u001b[0m\u001b[0;34m:\u001b[0m \u001b[0mby\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 978\u001b[0;31m             'value': value})['value']\n\u001b[0m\u001b[1;32m    979\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    980\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0mfind_elements\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mby\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mBy\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mID\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mvalue\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mNone\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/home/vlim/local/miniconda3/envs/patents/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py\u001b[0m in \u001b[0;36mexecute\u001b[0;34m(self, driver_command, params)\u001b[0m\n\u001b[1;32m    319\u001b[0m         \u001b[0mresponse\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcommand_executor\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mexecute\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mdriver_command\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mparams\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    320\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mresponse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 321\u001b[0;31m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0merror_handler\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcheck_response\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mresponse\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    322\u001b[0m             response['value'] = self._unwrap_value(\n\u001b[1;32m    323\u001b[0m                 response.get('value', None))\n",
      "\u001b[0;32m/home/vlim/local/miniconda3/envs/patents/lib/python3.6/site-packages/selenium/webdriver/remote/errorhandler.py\u001b[0m in \u001b[0;36mcheck_response\u001b[0;34m(self, response)\u001b[0m\n\u001b[1;32m    240\u001b[0m                 \u001b[0malert_text\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mvalue\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'alert'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'text'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    241\u001b[0m             \u001b[0;32mraise\u001b[0m \u001b[0mexception_class\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mmessage\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mscreen\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mstacktrace\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0malert_text\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 242\u001b[0;31m         \u001b[0;32mraise\u001b[0m \u001b[0mexception_class\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mmessage\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mscreen\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mstacktrace\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    243\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    244\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m_value_or_default\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mobj\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mkey\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mdefault\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mNoSuchElementException\u001b[0m: Message: no such element: Unable to locate element: {\"method\":\"xpath\",\"selector\":\"//*[@id=\"mat-option-13\"]/span\"}\n  (Session info: headless chrome=87.0.4280.88)\n"
     ]
    }
   ],
   "source": [
    "driver.find_element_by_xpath('//*[@id=\"mat-option-13\"]/span').click()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Instead of using the xpath identifier, search for the specific `mat-option` text to find the selection to click."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "# https://stackoverflow.com/a/54117155\n",
    "driver.find_element_by_xpath(\"//mat-option/span[contains(.,'Publication number of Japanese translation of PCT international application (A)')]\").click()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Check this by re-calling the value of the \"Number type\" menu as done earlier."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Publication number, Publication number of Japanese translation of PCT international application (A)'"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "inputElement = driver.find_element_by_id(\"p00_srchCondtn_selDocNoInputType0\")\n",
    "inputElement.text"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Alternatively, take a screenshot of the element to see that the selection was updated.\n",
    "\n",
    "You can also take a full screen screenshot by the following:\n",
    "```\n",
    "driver.get_screenshot_as_file(\"screenshot.png\")\n",
    "\n",
    "```\n",
    "\n",
    "Note: You may need to change the webpage of the driver to see the full screen. Do this in the browser options before creating the driver."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "driver.find_element_by_xpath('//*[@id=\"p00_srchCondtn_selDocNoInputType0\"]/div/div[2]').screenshot\n",
    "driver.save_screenshot(\"test.png\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Change the \"Number type\" back to \"Patent application number\"."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Patent application number'"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "driver.find_element_by_xpath('//*[@id=\"p00_srchCondtn_selDocNoInputType0\"]/div/div[2]').click()\n",
    "driver.find_element_by_xpath(\"//mat-option/span[contains(.,'Patent application number')]\").click()\n",
    "inputElement = driver.find_element_by_id(\"p00_srchCondtn_selDocNoInputType0\")\n",
    "inputElement.text"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Enter in the publication number to search."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "inputElement = driver.find_element_by_id(\"p00_srchCondtn_txtDocNoInputNo0\")\n",
    "inputElement.send_keys('2001-531855')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "driver.get_screenshot_as_file(\"test.png\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Click the search button.\n",
    "Note that on this webpage hitting the Enter button does not trigger search. If it did, one could try:\n",
    "```\n",
    "inputElement.send_keys(Keys.ENTER)\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [],
   "source": [
    "driver.find_element_by_xpath('//*[@id=\"p00_searchBtn_btnDocInquiry\"]').click()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "driver.get_screenshot_as_file(\"test.png\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Now we're on the results page. Pull out the application and publication numbers.\n",
    "The page has updated, but the URL is the same. Before moving on, we should check that a result actually shows up. Assuming it does, however:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'JP,2001-531855'"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "appno = driver.find_element_by_xpath('//*[@id=\"patentUtltyIntnlNumOnlyLst_tableView_appNum0\"]/label').text\n",
    "appno"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'JP,2003-512037,A'"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pubno = driver.find_element_by_xpath('//*[@id=\"patentUtltyIntnlNumOnlyLst_tableView_publicNumArea0\"]/a').text\n",
    "pubno"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## That gives us the desired information. We could go even further and click the publication number link.\n",
    "\n",
    "It opens up a new window: `https://www.j-platpat.inpit.go.jp/p0200`. There, we could extract more information about this patent application. Opening the \"Bibliography\" section gives the following:\n",
    "\n",
    "```\n",
    "(19) [Publication country] Japan Patent Office (JP)\n",
    "(12) [Kind of official gazette] Published Japanese translations of PCT international publication for patent applications (A)\n",
    "(11) [Publication number of Japanese translation of PCT international application] JP 2003 - 512037A (P2003-512037A)\n",
    "(43) [Publication date of Japanese translation of PCT international application] Heisei 15(2003) April 2 (2003.4.2)\n",
    "(54) [Title of the invention] Antisense modulation of Bcl - 6 expression\n",
    "(51) [International Patent Classification 7th Edition]\n",
    "C12N 15/09    ZNA\n",
    "A61K 31/7088\n",
    "48/00\n",
    "A61P 35/00\n",
    "C12N  5/06\n",
    "[FI]\n",
    "A61K 31/7088               \n",
    "48/00                 \n",
    "A61P 35/00                 \n",
    "C12N 15/00    ZNA A        \n",
    "5/00        E        \n",
    "[Request for examination] Y\n",
    "[Request for preliminary examination] Y\n",
    "[Total number of pages] 104\n",
    "(21) [Application number] Japanese Patent Application No. 2001-531855 (P2001-531855)\n",
    "(86)(22)[Filing date]Heisei 12(2000) October 11 (2000.10.11)   \n",
    "(85) [Submission date of translated text] Heisei 14(2002) April 11 (2002.4.11)\n",
    "(86) [International application number] PCT/US00/27963\n",
    "(87) [International publication number] WO01/029057\n",
    "(87) [International publication date] Heisei 13(2001) April 26 (2001.4.26)\n",
    "(31) [Application number of the priority] 09/418,640\n",
    "(32) [Priority date] Heisei 11(1999) October 15 (1999.10.15)\n",
    "(33) [Priority claim country] U.S. (US)\n",
    "(81) [Designated country/region] EP (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE), OA (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG), AP (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW), EA (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM), AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CR, CU, CZ, DE, DK, DM, DZ, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, US, UZ, VN, YU,ZA,ZW\n",
    "(71) [Applicant]\n",
    "[Name]The Isis Farr Matthew Thika Luce Inc.\n",
    "[Name (in original language)]Isis  PharmaceuticalsInc\n",
    "(72) [Inventor]\n",
    "[Name]Taylor, Jennifer Kay\n",
    "(72) [Inventor]\n",
    "[Name]Cow ***, REXX em\n",
    "(74) [Representative]\n",
    "[Patent attorney]\n",
    "[Name] SHAMOTO, Ichio    (and 5 others)\n",
    "[Theme code (reference)]\n",
    "4B024\n",
    "4B065\n",
    "4C084\n",
    "4C086\n",
    "[F-term (reference) ]\n",
    "4B024 AA01 CA05 HA12\n",
    "4B065 AA93X BB14 BD35 CA46\n",
    "4C084 AA13 MA01 NA14 ZB212 ZB262\n",
    "4C086 AA01 AA02 AA03 EA16 MA01 MA04 NA14 ZB21 ZB26\n",
    "```"
   ]
  }
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